{"title":"Audi A8 (D5) 3.0T Turbo Performance Parts","description":"\u003cstyle\u003e.va-chips a::before,.va-chips a::after{content:none!important;display:none!important;}.va-chips a,.rte .va-chips a{display:inline-block!important;padding:8px 16px!important;margin:4px 6px 4px 0!important;border:1px solid #888!important;border-radius:999px!important;text-decoration:none!important;font-weight:600!important;background-image:none!important;box-shadow:none!important;}\u003c\/style\u003e\n\u003cp\u003eParts picked for the \u003cstrong\u003eAudi A8 (D5)\u003c\/strong\u003e, led by parts for the turbo 3.0T V6 (EA839), with fitment spelled out on every listing.\u003c\/p\u003e\n\u003cp style=\"margin:12px 0 4px;font-weight:700;\"\u003eShop by category\u003c\/p\u003e\n\u003cp class=\"va-chips\"\u003e\u003ca href=\"\/collections\/audi-d5-a8-exhaust\"\u003eExhaust\u003c\/a\u003e\u003ca href=\"\/collections\/audi-d5-a8-engine\"\u003eEngine\u003c\/a\u003e\u003ca href=\"\/collections\/audi-d5-a8-cooling\"\u003eCooling\u003c\/a\u003e\u003c\/p\u003e\n\u003cdetails style=\"margin:12px 0;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;\"\u003ePopular upgrades, product types and FAQ\u003c\/summary\u003e\n\u003ch3\u003ePopular Upgrades for the D5 A8 3.0T\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIgnition and sensors:\u003c\/strong\u003e \u003ca href=\"\/products\/vorsprung-zeus-ignition-coil-upgrade-kit-audi-3-0-turbo-ea839\"\u003eZeus Ignition Coil Upgrade Kit\u003c\/a\u003e and \u003ca href=\"\/products\/vorsprung-autowerk-4-bar-map-sensors-audi-b9-ea839\"\u003e4 Bar MAP Sensors\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling:\u003c\/strong\u003e \u003ca href=\"\/products\/audi-3-0t-2-9t-billet-thermostat-housing-ea839\"\u003eBillet Thermostat Housing\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eShop by Product Type\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/performance-exhaust-1\"\u003ePerformance Exhaust\u003c\/a\u003e, \u003ca href=\"\/collections\/air-intake-kits\"\u003eAir Intake Kits\u003c\/a\u003e, \u003ca href=\"\/collections\/cooling-solutions\"\u003eCooling\u003c\/a\u003e, \u003ca href=\"\/collections\/engine\"\u003eEngine\u003c\/a\u003e, \u003ca href=\"\/collections\/fueling-solutions\"\u003eFueling\u003c\/a\u003e, \u003ca href=\"\/collections\/brakes\"\u003eBrakes\u003c\/a\u003e and \u003ca href=\"\/collections\/suspension-upgrades\"\u003eSuspension\u003c\/a\u003e. These cover every vehicle we support, so check the fitment table on each listing.\u003c\/p\u003e\n\u003ch3\u003eAudi D5 A8 3.0T Performance Parts FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhy are there 4.0T parts on this page?\u003c\/strong\u003e\u003cbr\u003eThe D5 A8 and S8 share a chassis with a 4.0T V8 option. Those parts are labeled 4.0T in the title and do not fit the 3.0T.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I confirm fitment before I order?\u003c\/strong\u003e\u003cbr\u003eRead the fitment table on the listing, or email help@vorsprungautowerk.com with your VIN and we will confirm before you order.\u003c\/p\u003e\n\u003cp style=\"text-align: center; font-weight: bold;\"\u003eDrive the difference. Drive Vorsprung.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Why are there 4.0T parts on this page?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The D5 A8 and S8 share a chassis with a 4.0T V8 option. Those parts are labeled 4.0T in the title and do not fit the 3.0T.\"}},{\"@type\":\"Question\",\"name\":\"How do I confirm fitment before I order?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Read the fitment table on the listing, or email help@vorsprungautowerk.com with your VIN and we will confirm before you order.\"}}]}\u003c\/script\u003e","products":[{"product_id":"vorsprung-autowerk-4-bar-map-sensors-audi-b9-ea839","title":"Vorsprung Autowerk 4 Bar MAP Sensors, Audi B9 EA839","description":"\u003cp\u003eOur Vorsprung Autowerk 4 Bar MAP Sensors are designed as a direct upgrade for the factory 3 Bar sensors found on the EA839 2.9T and 3.0T engines. This upgrade is essential for customers running higher boost applications and advanced tuning solutions, such as our upcoming Stage 3 software calibrations.\u003c\/p\u003e\n\u003cp\u003eEach kit includes two precision-calibrated 4 Bar sensors that connect seamlessly to the OEM wiring harness for straightforward installation. The sensors are secured by removing the original charge pipe retention clips, with installation following the same process as the factory components.\u003c\/p\u003e\n\u003cp\u003eFor those running aftermarket charge pipes, our sensors are also compatible with Wagner units when installed with Wagner’s supplied hardware.\u003c\/p\u003e\n\u003cp\u003eEngineered to meet the demands of high-performance applications, Vorsprung Autowerk 4 Bar MAP Sensors provide the accuracy and reliability required for safely extracting more power from your EA839 platform.\u003c\/p\u003e\n\u003cp\u003eIf you'd rather source a 4-Bar OEM Solution you may use part 04E906051J\u003c\/p\u003e\n\u003cdiv class=\"product-fitment-section\" style=\"margin: 20px 0; font-family: inherit;\"\u003e\n\u003ch3 style=\"font-size: 1.1rem; margin-bottom: 10px; font-weight: bold;\"\u003eVehicle Fitment\u003c\/h3\u003e\n\u003cp\u003eThese sensors are a direct upgrade for the factory 3 Bar MAP sensor on the Audi EA839 platform, covering both 2.9T and 3.0T engine variants, including the B9 S4 and S5 and the D5 A8, and cross-reference OEM part 04E906051J.\u003c\/p\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; text-align: left; font-size: 0.95rem;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"border-bottom: 2px solid #ddd; background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eMake\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eChassis\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eEngine\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAudi\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eS4, S5\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eB9 \/ B9.5\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eEA839 3.0T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAudi\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eA8\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eD5\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eEA839 3.0T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAudi\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eB9 chassis\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eB9\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eEA839 2.9T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin-top: 10px; font-size: 0.85rem; color: #555;\"\u003e\u003cem\u003e\u003cstrong\u003eNOTE:\u003c\/strong\u003e Direct replacement for the factory 3 Bar sensor, cross-referencing OEM part 04E906051J. Confirm your engine code before ordering if you're unsure which platform you have.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003e4 Bar MAP Sensor FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need this if I'm running higher boost?\u003c\/strong\u003e\u003cbr\u003eYes. The factory 3 Bar sensor can't accurately read boost above its rated range, which is why this upgrade is essential for higher-boost applications and advanced tuning like Stage 3 calibrations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this plug-and-play?\u003c\/strong\u003e\u003cbr\u003eYes. Each sensor connects seamlessly to the OEM wiring harness, and installation follows the same process as the factory components, just remove the original charge pipe retention clips to secure the new sensors.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill this work with my aftermarket charge pipes?\u003c\/strong\u003e\u003cbr\u003eYes, these sensors are compatible with Wagner charge pipes when installed using Wagner's supplied hardware.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs there an OEM alternative?\u003c\/strong\u003e\u003cbr\u003eYes, OEM part 04E906051J is the factory 4 Bar solution if you'd rather source that instead.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow many sensors are included?\u003c\/strong\u003e\u003cbr\u003eEach kit includes two precision-calibrated 4 Bar sensors.\u003c\/p\u003e\n\u003cdiv style=\"background-color: #f8fafc; border: 1px solid #e2e8f0; border-radius: 8px; padding: 24px; margin: 30px 0;\"\u003e\n\u003ch3 style=\"font-size: 1.25rem; font-weight: bold; margin-top: 0; margin-bottom: 20px; text-transform: uppercase; letter-spacing: 0.5px; color: #0f172a;\"\u003eWhy Buy From Us?\u003c\/h3\u003e\n\u003cul style=\"list-style-type: none; padding: 0; margin: 0;\"\u003e\n\u003cli style=\"margin-bottom: 14px;\"\u003e✅ \u003cstrong style=\"color: #0f172a;\"\u003eEnthusiast Designed \u0026amp; Tested:\u003c\/strong\u003e Developed by people who actually drive and modify these cars.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 14px;\"\u003e✅ \u003cstrong style=\"color: #0f172a;\"\u003eTested on Our Own Cars:\u003c\/strong\u003e Every product is validated on our own fleet before it ever reaches a customer.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 14px;\"\u003e✅ \u003cstrong style=\"color: #0f172a;\"\u003eContinuous R\u0026amp;D:\u003c\/strong\u003e We're constantly refining our parts based on real-world feedback and testing.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 14px;\"\u003e✅ \u003cstrong style=\"color: #0f172a;\"\u003eSupporting Audi Platform Development:\u003c\/strong\u003e Every purchase helps fund development of more parts for these platforms.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 14px;\"\u003e✅ \u003cstrong style=\"color: #0f172a;\"\u003eReal Enthusiast Support:\u003c\/strong\u003e Talk to people who actually know these cars, not a call center script.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 14px;\"\u003e✅ \u003cstrong style=\"color: #0f172a;\"\u003eSmall Team, Big Passion:\u003c\/strong\u003e We're enthusiasts first, and it shows in every part we build.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 0;\"\u003e✅ \u003cstrong style=\"color: #0f172a;\"\u003ePerformance Without the Marketing Fluff:\u003c\/strong\u003e Honest parts, honest descriptions, no hype.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp style=\"text-align: center; font-weight: bold; margin-top: 30px;\"\u003eDrive the difference. Drive Vorsprung.\u003c\/p\u003e","brand":"Vorsprung Autowerk","offers":[{"title":"Default Title","offer_id":51873294713135,"sku":null,"price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0923\/5821\/3935\/files\/vorsprung-autowerk-4-bar-map-sensors-audi-b9-ea839-642.webp?v=1772804758"},{"product_id":"vorsprung-high-flow-cats-audi-ea825-4-0t-v8","title":"Vorsprung High-Flow Catted Downpipe, Audi EA825 C8 RS6, RS7 \u0026amp; D5 A8, S8 4.0T V8","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eB\u003c\/span\u003e\u003c\/strong\u003e\u003cstrong\u003euilt for Real Power, Without the Compromises - T\u003cspan\u003ehese catalysts are designed, tested, and validated to deliver reliable performance without concern for premature failure.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis is the \u003cstrong\u003ecatted\u003c\/strong\u003e version of this downpipe — factory-style catalytic converters stay in place (200-cell or 400-cell metallic), so you get a big flow and power increase while keeping a fuller, more street-oriented setup than a catless downpipe. Want maximum flow with the cats removed entirely? See our \u003ca href=\"\/products\/vorsprung-catless-downpipe-audi-ea825-4-0t-v8\"\u003eCatless Downpipe\u003c\/a\u003e instead.\u003c\/p\u003e\n\u003cdiv style=\"background-color: #fff7ed; border: 1px solid #fdba74; border-radius: 8px; padding: 20px 24px; margin: 24px 0;\"\u003e\n\u003ch3 style=\"font-size: 1.1rem; font-weight: bold; margin-top: 0; margin-bottom: 14px; color: #0f172a;\"\u003eCatted vs. Catless — At a Glance\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 0.9rem; color: #334155;\"\u003e\n\u003ctr style=\"border-bottom: 1px solid #fdba74;\"\u003e\n\u003cth style=\"text-align: left; padding: 6px 8px;\"\u003e \u003c\/th\u003e\n\u003cth style=\"text-align: left; padding: 6px 8px;\"\u003eThis Product: Catted\u003c\/th\u003e\n\u003cth style=\"text-align: left; padding: 6px 8px;\"\u003eCatless\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #fed7aa;\"\u003e\n\u003ctd style=\"padding: 6px 8px;\"\u003e\u003cstrong\u003eCatalytic converters\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 8px;\"\u003e200-cell or 400-cell metallic\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 8px;\"\u003eNone — fully open\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px 8px;\"\u003e\u003cstrong\u003eBest for\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 8px;\"\u003eDaily-driven, tuned street cars\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 8px;\"\u003eTrack cars, heavily tuned builds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003cp\u003eOnce you move past a basic tune setup on the Audi 4.0T, you're asking a lot more from the factory cats, and honestly, they just can’t keep up. We’ve seen it time and time again: stock converters break down under the extra heat and pressure, and when they do, the risk isn’t just poor performance; it’s engine damage.\u003c\/p\u003e\n\u003cp\u003eWhether you’re looking to maximize performance on a heavily tuned build or simply craving a richer, more aggressive exhaust note from your factory setup, these high-flow catalysts deliver exactly what you need. By dramatically reducing backpressure compared to restrictive stock units, they unlock hidden horsepower and sharper throttle response for drivers pushing the limits, while instantly waking up the sound profile for those staying on the stock tune. It’s the perfect foundational upgrade to transform your vehicle's character, giving you the volume, spool, and performance you want without compromising on reliability.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cb\u003ePrecision Catalysts: 200-Cell \u0026amp; 400-Cell Metallic Options\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eWhy Metallic Substrates? Because Balance Matters.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eEveryone loves the sound of a performance exhaust until the drone and fumes from cheap test pipes make your car feel like a straight-piped lawnmower. That is why we have engineered a solution offering two distinct paths to performance, both utilizing advanced metallic catalyst technology.\u003c\/p\u003e\n\u003cp\u003eWe know other downpipes look the same, but the catalyst is the heart of a good downpipe. That's why we prioritized the catalyst first. Even with 200-cell High-Flow catalysts, our customers report \u003cstrong\u003eno smell\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eWhether you choose our \u003cb\u003e200-cell High-Flow\u003c\/b\u003e or our \u003cb\u003e400-cell Ultra-Efficiency\u003c\/b\u003e options, you are getting a substrate we validated closely with our manufacturer to withstand the extreme thermal and mechanical loads of the 4.0 platform. Unlike the fragile ceramic cores used by budget brands to boost profits, our metallic substrates are engineered to survive sustained heat cycles and aggressive driving without crumbling.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eThe Choice is Yours:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003e200-Cell Metallic:\u003c\/b\u003e The enthusiast’s choice for maximum auditory feedback and the least amount of back pressure. It strikes the perfect balance: dense enough to smooth out noise and harsh odors, yet open enough to support serious horsepower.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003e400-Cell Metallic:\u003c\/b\u003e The ideal solution for drivers prioritizing maximum filtration and stealth. We have sourced a modern, high-flow 400-cell design that sheds the restrictive reputation of older GESI units, offering enhanced durability and flow characteristics that do not choke the engine.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBy sourcing the highest-quality non-branded metallic cats available, we provide a setup built for reliable daily performance without the inflated \"brand tax\" price tag.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEngineered for Endurance, Guaranteed for Life\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe understand that a lifetime warranty offers little value if you're frequently dealing with the inconvenience and expense of part replacement and re-installation labor. At Vorsprung Autowerk, our focus isn't just on warranty duration; it's on \u003cb\u003eproduct longevity and reliability\u003c\/b\u003e.\u003c\/p\u003e\n\u003cp\u003eWe chose our materials and design specifically to eliminate the common failure cycle of 12-24 months. Our components are built right the first time to stay on your vehicle.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eWe provide a Lifetime Warranty because we are confident you won't need to use it.\u003c\/b\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance, Reliability, and Thoughtful Design\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull flow path\u003c\/strong\u003e from top to bottom, with no tapering down to OEM size\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDetachable flanges\u003c\/strong\u003e to make installation a breeze\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmooth transition\u003c\/strong\u003e to OEM-style lower flanges for easy fitment\u003c\/li\u003e\n\u003cli\u003eVorsprung\u003cstrong\u003e reinforced flange\u003c\/strong\u003e design\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision TIG-welded and back-purged\u003c\/strong\u003e for maximum strength\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDouble-walled pipe ends\u003c\/strong\u003e to resist cracking over time\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtra-thick 10mm stainless flanges\u003c\/strong\u003e, reinforced inside and out to prevent warping and \u003cstrong\u003etreated for an ultra-smooth mating surface\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat shielding\u003c\/strong\u003e included to control temps, reduce heat soak, and protect nearby components\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e304L stainless steel\u003c\/strong\u003e construction (\u003cstrong\u003eVorsprung Spec \u003c\/strong\u003e\u003cstrong\u003e2.0mm wall thickness\u003c\/strong\u003e) throughout, built to last\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese converters are rated to withstand temps well beyond what the 4.0T can throw at them.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003ePlease note: These are currently made to order. Delivery times are approximately 30 days.\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cdiv class=\"product-fitment-section\" style=\"margin: 20px 0; font-family: inherit;\"\u003e\n\u003ch3 style=\"font-size: 1.1rem; margin-bottom: 10px; font-weight: bold;\"\u003eVehicle Fitment\u003c\/h3\u003e\n\u003cp\u003eThis high-flow catted downpipe is built for the Audi EA825 4.0T V8 platform: C8 RS6, C8 RS7, and D5 A8\/S8.\u003c\/p\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; text-align: left; font-size: 0.95rem;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"border-bottom: 2px solid #ddd; background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eMake\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eChassis\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eEngine\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAudi\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eRS6\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eC8\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eEA825 4.0T V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAudi\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eRS7\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eC8\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eEA825 4.0T V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAudi\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eA8\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eD5\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eEA825 4.0T V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAudi\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eS8\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eD5\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eEA825 4.0T V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin-top: 10px; font-size: 0.85rem; color: #555;\"\u003e\u003cem\u003e\u003cstrong\u003eNOTE:\u003c\/strong\u003e Made to order, current lead time approximately 30 days. Confirm your exact trim against the fitment above before ordering.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003ch3\u003eHigh-Flow Catted Downpipe FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's the difference between this and the Catless Downpipe?\u003c\/strong\u003e\u003cbr\u003eThis version keeps the catalytic converters in place (200-cell or 400-cell metallic), so you get a flow and power increase while keeping a fuller, more street-oriented setup than a fully catless downpipe. See our \u003ca href=\"\/products\/vorsprung-catless-downpipe-audi-ea825-4-0t-v8\"\u003eCatless Downpipe\u003c\/a\u003e if you want maximum flow with the cats removed entirely.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e200-cell or 400-cell, which should I choose?\u003c\/strong\u003e\u003cbr\u003e200-cell metallic is the enthusiast's choice for maximum flow and the least backpressure. 400-cell metallic prioritizes filtration and a more stock-like, stealthy sound. Both use the same metallic substrate engineered for the 4.0T platform.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow long is the lead time?\u003c\/strong\u003e\u003cbr\u003eThese are currently made to order, with delivery times of approximately 30 days.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's the warranty?\u003c\/strong\u003e\u003cbr\u003eLifetime Warranty, we build these to eliminate the common 12-24 month failure cycle other cats see on this platform.\u003c\/p\u003e\n\u003chr\u003e\n\u003cdiv style=\"background-color: #f8fafc; border: 1px solid #e2e8f0; border-radius: 8px; padding: 24px; margin: 30px 0;\"\u003e\n\u003ch3 style=\"font-size: 1.25rem; font-weight: bold; margin-top: 0; margin-bottom: 20px; text-transform: uppercase; letter-spacing: 0.5px; color: #0f172a;\"\u003eWhy Buy From Us?\u003c\/h3\u003e\n\u003cul style=\"list-style-type: none; padding: 0; margin: 0;\"\u003e\n\u003cli style=\"margin-bottom: 14px; display: flex; align-items: flex-start;\"\u003e\n\u003cspan style=\"margin-right: 12px; font-size: 1.1rem; line-height: 1.2;\"\u003e✅\u003c\/span\u003e\n\u003cdiv style=\"color: #334155; font-size: 0.95rem; line-height: 1.4;\"\u003e\n\u003cstrong style=\"color: #0f172a;\"\u003eEnthusiast Designed \u0026amp; Tested:\u003c\/strong\u003e Developed by people who actually drive and modify these cars.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 14px; display: flex; align-items: flex-start;\"\u003e\n\u003cspan style=\"margin-right: 12px; font-size: 1.1rem; line-height: 1.2;\"\u003e✅\u003c\/span\u003e\n\u003cdiv style=\"color: #334155; font-size: 0.95rem; line-height: 1.4;\"\u003e\n\u003cstrong style=\"color: #0f172a;\"\u003eTested on Our Own Cars:\u003c\/strong\u003e If we wouldn't run it ourselves, we don't sell it.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 14px; display: flex; align-items: flex-start;\"\u003e\n\u003cspan style=\"margin-right: 12px; font-size: 1.1rem; line-height: 1.2;\"\u003e✅\u003c\/span\u003e\n\u003cdiv style=\"color: #334155; font-size: 0.95rem; line-height: 1.4;\"\u003e\n\u003cstrong style=\"color: #0f172a;\"\u003eContinuous R\u0026amp;D:\u003c\/strong\u003e We continually develop and improve our products instead of relying on generic catalog parts.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 14px; display: flex; align-items: flex-start;\"\u003e\n\u003cspan style=\"margin-right: 12px; font-size: 1.1rem; line-height: 1.2;\"\u003e✅\u003c\/span\u003e\n\u003cdiv style=\"color: #334155; font-size: 0.95rem; line-height: 1.4;\"\u003e\n\u003cstrong style=\"color: #0f172a;\"\u003eSupporting Audi Platform Development:\u003c\/strong\u003e Your purchase helps fund continued development of new parts for these chassis.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 14px; display: flex; align-items: flex-start;\"\u003e\n\u003cspan style=\"margin-right: 12px; font-size: 1.1rem; line-height: 1.2;\"\u003e✅\u003c\/span\u003e\n\u003cdiv style=\"color: #334155; font-size: 0.95rem; line-height: 1.4;\"\u003e\n\u003cstrong style=\"color: #0f172a;\"\u003eReal Enthusiast Support:\u003c\/strong\u003e Get help from people who understand the platform, not ticket bots.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 14px; display: flex; align-items: flex-start;\"\u003e\n\u003cspan style=\"margin-right: 12px; font-size: 1.1rem; line-height: 1.2;\"\u003e✅\u003c\/span\u003e\n\u003cdiv style=\"color: #334155; font-size: 0.95rem; line-height: 1.4;\"\u003e\n\u003cstrong style=\"color: #0f172a;\"\u003eSmall Team, Big Passion:\u003c\/strong\u003e Every order directly supports continued product development and innovation.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 0; display: flex; align-items: flex-start;\"\u003e\n\u003cspan style=\"margin-right: 12px; font-size: 1.1rem; line-height: 1.2;\"\u003e✅\u003c\/span\u003e\n\u003cdiv style=\"color: #334155; font-size: 0.95rem; line-height: 1.4;\"\u003e\n\u003cstrong style=\"color: #0f172a;\"\u003ePerformance Without the Marketing Fluff:\u003c\/strong\u003e Purpose-built parts designed to perform.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: center; font-weight: bold; margin-top: 30px;\"\u003eDrive the difference. Drive Vorsprung.\u003c\/p\u003e\n","brand":"Vorsprung Autowerk","offers":[{"title":"200 Cell \/ Standard \/ C8 RS6\/RS7 D5 A8\/S8","offer_id":54246145818927,"sku":null,"price":1799.99,"currency_code":"USD","in_stock":true},{"title":"200 Cell \/ Dual Layer Quartz Lined (Superior Heat Management and Exhaust Evacuation) \/ C8 RS6\/RS7 D5 A8\/S8","offer_id":54246145851695,"sku":null,"price":2099.99,"currency_code":"USD","in_stock":true},{"title":"400 Cell \/ Standard \/ C8 RS6\/RS7 D5 A8\/S8","offer_id":54246145884463,"sku":null,"price":1899.99,"currency_code":"USD","in_stock":true},{"title":"400 Cell \/ Dual Layer Quartz Lined (Superior Heat Management and Exhaust Evacuation) \/ C8 RS6\/RS7 D5 A8\/S8","offer_id":54246145917231,"sku":null,"price":2199.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0923\/5821\/3935\/files\/vorsprung-autowerk-200-cell-standard-sq7-sq8-rsq8-vorsprung-high-flow-cats-audi-c8-rs6-rs7-4m-sq8-rsq8-d5-a8-s8-ea825-4-0t-v8-49714267095343.jpg?v=1785216476"},{"product_id":"vorsprung-catless-downpipe-audi-ea825-4-0t-v8","title":"Vorsprung Catless Downpipe, Audi EA825 C8 RS6, RS7 \u0026amp; D5 A8, S8 4.0T V8","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eB\u003c\/span\u003e\u003c\/strong\u003e\u003cstrong\u003euilt for Real Power, Without the Compromises - T\u003cspan\u003eested and validated to deliver reliable performance without concern for premature failure.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis is the fully \u003cstrong\u003ecatless\u003c\/strong\u003e version of this downpipe — the factory catalytic converters are completely removed for maximum, unrestricted exhaust flow. Need to keep your cats for emissions compliance or a quieter, CEL-free daily driver? See our \u003ca href=\"\/products\/vorsprung-high-flow-cats-audi-ea825-4-0t-v8\"\u003eHigh-Flow Catted Downpipe\u003c\/a\u003e instead.\u003c\/p\u003e\n\u003cdiv style=\"background-color: #fff7ed; border: 1px solid #fdba74; border-radius: 8px; padding: 20px 24px; margin: 24px 0;\"\u003e\n\u003ch3 style=\"font-size: 1.1rem; font-weight: bold; margin-top: 0; margin-bottom: 14px; color: #0f172a;\"\u003eCatless vs. Catted — At a Glance\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 0.9rem; color: #334155;\"\u003e\n\u003ctr style=\"border-bottom: 1px solid #fdba74;\"\u003e\n\u003cth style=\"text-align: left; padding: 6px 8px;\"\u003e \u003c\/th\u003e\n\u003cth style=\"text-align: left; padding: 6px 8px;\"\u003eThis Product: Catless\u003c\/th\u003e\n\u003cth style=\"text-align: left; padding: 6px 8px;\"\u003eHigh-Flow Catted\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #fed7aa;\"\u003e\n\u003ctd style=\"padding: 6px 8px;\"\u003e\u003cstrong\u003eCatalytic converters\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 8px;\"\u003eNone — fully open\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 8px;\"\u003e200-cell or 400-cell metallic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #fed7aa;\"\u003e\n\u003ctd style=\"padding: 6px 8px;\"\u003e\u003cstrong\u003eCheck Engine Light\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 8px;\"\u003eLikely without a supporting tune\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 8px;\"\u003eDesigned to run CEL-free\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #fed7aa;\"\u003e\n\u003ctd style=\"padding: 6px 8px;\"\u003e\u003cstrong\u003eStreet legal \/ emissions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 8px;\"\u003eOff-road \/ competition use only\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 8px;\"\u003eBuilt toward Euro 6 \/ EPA compliance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px 8px;\"\u003e\u003cstrong\u003eBest for\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 8px;\"\u003eTrack cars, heavily tuned builds\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 8px;\"\u003eDaily-driven, tuned street cars\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #fef2f2; border: 1px solid #fca5a5; border-radius: 8px; padding: 18px 24px; margin: 24px 0;\"\u003e\n\u003cp style=\"margin: 0; color: #7f1d1d; font-size: 0.9rem;\"\u003e\u003cstrong\u003eOff-Road \/ Competition Use:\u003c\/strong\u003e Removing the factory catalytic converters will likely trigger a Check Engine Light without a supporting ECU tune, and takes the vehicle out of compliance with street emissions laws in many states and countries. Please check your local regulations before installing, and pair this downpipe with a tune to manage fueling and CEL codes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003cp\u003eOnce you move past a basic tune on the 4.0T, you're asking a lot more from the factory cats, and honestly, they just can’t keep up. We’ve seen it time and time again: stock converters break down under the extra heat and pressure, and when they do, the risk isn’t just poor performance, it’s engine damage.\u003c\/p\u003e\n\u003cp\u003eWe decided to build something better. Something we’d actually run on our own cars, and trust over the long haul.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEngineered for Endurance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe understand that a lifetime warranty offers little value if you're frequently dealing with the inconvenience and expense of part replacement and reinstallation labor. At Vorsprung Autowerk, our focus isn't just on warranty duration; it's on \u003cb\u003eproduct longevity and reliability\u003c\/b\u003e.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance, Reliability, and Thoughtful Design\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull flow path\u003c\/strong\u003e from top to bottom, with no tapering down to OEM size\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmooth transition\u003c\/strong\u003e to OEM-style lower flanges for easy fitment\u003c\/li\u003e\n\u003cli\u003eVorsprung\u003cstrong\u003e reinforced flange\u003c\/strong\u003e design\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision TIG-welded and back-purged\u003c\/strong\u003e for maximum strength\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDouble-walled pipe ends\u003c\/strong\u003e to resist cracking over time\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtra-thick 10mm stainless flanges\u003c\/strong\u003e, reinforced inside and out to prevent warping and \u003cstrong\u003etreated for an ultra-smooth mating surface\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat shielding\u003c\/strong\u003e included to control temps, reduce heat soak, and protect nearby components\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e304L stainless steel\u003c\/strong\u003e construction (\u003cstrong\u003eVorsprung Spec \u003c\/strong\u003e\u003cstrong\u003e2.0mm wall thickness\u003c\/strong\u003e) throughout, built to last\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePlease note: These are made to order. Delivery times are approximately 30 days.\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003eThis catless downpipe is built for the Audi EA825 4.0T V8 platform: C8 RS6, C8 RS7, and D5 A8\/S8.\u003c\/p\u003e\n\u003cdiv class=\"product-fitment-section\" style=\"margin: 20px 0; font-family: inherit;\"\u003e\n\u003ch3 style=\"font-size: 1.1rem; margin-bottom: 10px; font-weight: bold;\"\u003eVehicle Fitment\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; text-align: left; font-size: 0.95rem;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"border-bottom: 2px solid #ddd; background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eMake\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eChassis\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eEngine\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAudi\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eRS6\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eC8\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eEA825 4.0T V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAudi\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eRS7\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eC8\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eEA825 4.0T V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAudi\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eA8\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eD5\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eEA825 4.0T V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAudi\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eS8\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eD5\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eEA825 4.0T V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin-top: 10px; font-size: 0.85rem; color: #555;\"\u003e\u003cem\u003e\u003cstrong\u003eNOTE:\u003c\/strong\u003e Made to order, current lead time approximately 30 days. This is the fully catless version, intended for off-road\/competition use only — confirm your exact trim against the fitment above before ordering.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003ch3\u003eCatless Downpipe FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's the difference between this and the High-Flow Catted Downpipe?\u003c\/strong\u003e\u003cbr\u003eThis version fully removes the factory catalytic converters for maximum, unrestricted exhaust flow. Our \u003ca href=\"\/products\/vorsprung-high-flow-cats-audi-ea825-4-0t-v8\"\u003eHigh-Flow Catted Downpipe\u003c\/a\u003e keeps 200-cell or 400-cell metallic cats in place for a quieter, more street-oriented, CEL-free setup.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this legal for street use?\u003c\/strong\u003e\u003cbr\u003eNo — this catless downpipe is intended for off-road or competition use only. Removing the factory catalytic converters will likely trigger a Check Engine Light without a supporting ECU tune, and takes the vehicle out of compliance with street emissions laws in many states and countries. Check your local regulations before installing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need a tune after installing this?\u003c\/strong\u003e\u003cbr\u003eYes — pair this downpipe with a supporting ECU tune to manage fueling and CEL codes once the factory catalytic converters are removed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's this downpipe made from?\u003c\/strong\u003e\u003cbr\u003e304L stainless steel (Vorsprung Spec 2.0mm wall thickness) with precision TIG-welded, back-purged construction, double-walled pipe ends, extra-thick 10mm stainless flanges, and included heat shielding — built to handle sustained heat and pressure without cracking or warping.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow long is the lead time?\u003c\/strong\u003e\u003cbr\u003eThese are made to order, with delivery times of approximately 30 days.\u003c\/p\u003e\n\u003chr\u003e\n\u003cdiv style=\"background-color: #f8fafc; border: 1px solid #e2e8f0; border-radius: 8px; padding: 24px; margin: 30px 0;\"\u003e\n\u003ch3 style=\"font-size: 1.25rem; font-weight: bold; margin-top: 0; margin-bottom: 20px; text-transform: uppercase; letter-spacing: 0.5px; color: #0f172a;\"\u003eWhy Buy From Us?\u003c\/h3\u003e\n\u003cul style=\"list-style-type: none; padding: 0; margin: 0;\"\u003e\n\u003cli style=\"margin-bottom: 14px; display: flex; align-items: flex-start;\"\u003e\n\u003cspan style=\"margin-right: 12px; font-size: 1.1rem; line-height: 1.2;\"\u003e✅\u003c\/span\u003e\n\u003cdiv style=\"color: #334155; font-size: 0.95rem; line-height: 1.4;\"\u003e\n\u003cstrong style=\"color: #0f172a;\"\u003eEnthusiast Designed \u0026amp; Tested:\u003c\/strong\u003e Developed by people who actually drive and modify these cars.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 14px; display: flex; align-items: flex-start;\"\u003e\n\u003cspan style=\"margin-right: 12px; font-size: 1.1rem; line-height: 1.2;\"\u003e✅\u003c\/span\u003e\n\u003cdiv style=\"color: #334155; font-size: 0.95rem; line-height: 1.4;\"\u003e\n\u003cstrong style=\"color: #0f172a;\"\u003eTested on Our Own Cars:\u003c\/strong\u003e If we wouldn't run it ourselves, we don't sell it.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 14px; display: flex; align-items: flex-start;\"\u003e\n\u003cspan style=\"margin-right: 12px; font-size: 1.1rem; line-height: 1.2;\"\u003e✅\u003c\/span\u003e\n\u003cdiv style=\"color: #334155; font-size: 0.95rem; line-height: 1.4;\"\u003e\n\u003cstrong style=\"color: #0f172a;\"\u003eContinuous R\u0026amp;D:\u003c\/strong\u003e We continually develop and improve our products instead of relying on generic catalog parts.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 14px; display: flex; align-items: flex-start;\"\u003e\n\u003cspan style=\"margin-right: 12px; font-size: 1.1rem; line-height: 1.2;\"\u003e✅\u003c\/span\u003e\n\u003cdiv style=\"color: #334155; font-size: 0.95rem; line-height: 1.4;\"\u003e\n\u003cstrong style=\"color: #0f172a;\"\u003eSupporting Audi Platform Development:\u003c\/strong\u003e Your purchase helps fund continued development of new parts for these chassis.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 14px; display: flex; align-items: flex-start;\"\u003e\n\u003cspan style=\"margin-right: 12px; font-size: 1.1rem; line-height: 1.2;\"\u003e✅\u003c\/span\u003e\n\u003cdiv style=\"color: #334155; font-size: 0.95rem; line-height: 1.4;\"\u003e\n\u003cstrong style=\"color: #0f172a;\"\u003eReal Enthusiast Support:\u003c\/strong\u003e Get help from people who understand the platform, not ticket bots.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 14px; display: flex; align-items: flex-start;\"\u003e\n\u003cspan style=\"margin-right: 12px; font-size: 1.1rem; line-height: 1.2;\"\u003e✅\u003c\/span\u003e\n\u003cdiv style=\"color: #334155; font-size: 0.95rem; line-height: 1.4;\"\u003e\n\u003cstrong style=\"color: #0f172a;\"\u003eSmall Team, Big Passion:\u003c\/strong\u003e Every order directly supports continued product development and innovation.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 0; display: flex; align-items: flex-start;\"\u003e\n\u003cspan style=\"margin-right: 12px; font-size: 1.1rem; line-height: 1.2;\"\u003e✅\u003c\/span\u003e\n\u003cdiv style=\"color: #334155; font-size: 0.95rem; line-height: 1.4;\"\u003e\n\u003cstrong style=\"color: #0f172a;\"\u003ePerformance Without the Marketing Fluff:\u003c\/strong\u003e Purpose-built parts designed to perform.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp style=\"text-align: center; font-weight: bold; margin-top: 30px;\"\u003eDrive the difference. Drive Vorsprung.\u003c\/p\u003e","brand":"Vorsprung Autowerk","offers":[{"title":"Standard \/ RS6\/RS7 D5 A8\/S8","offer_id":54246171312431,"sku":null,"price":899.99,"currency_code":"USD","in_stock":true},{"title":"Dual Layer Quartz Lined (Superior Heat Management and Exhaust Evacuation) \/ RS6\/RS7 D5 A8\/S8","offer_id":54246171377967,"sku":null,"price":1299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0923\/5821\/3935\/files\/vorsprung-autowerk-standard-sq7-sq8-rsq8-vorsprung-catless-downpipe-audi-ea825-4-0t-v8-46846981308719.jpg?v=1785216482"},{"product_id":"vorsprung-zeus-ignition-coil-upgrade-kit-audi-3-0-turbo-ea839","title":"Vorsprung Zeus Ignition Coil Upgrade Kit, Audi 3.0T Turbo EA839 (B9 S4, S5, SQ5, C8 A6, A7, D5 A8, Q7, Q8)","description":"\u003cp\u003e🔥 \u003cstrong\u003eStop Overpaying for the Same Spark.\u003c\/strong\u003e 🔥\u003c\/p\u003e\n\u003cp\u003e\"Name them something stupid like Zeus coil packs\" - Unknown Audi Owner\u003c\/p\u003e\n\u003cp\u003e\"By the beard of Zeus!\" - Ron Burgundy\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eWe'll keep it simple\u003c\/strong\u003e\u003c\/span\u003e: we \u003cem\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003elove\u003c\/strong\u003e\u003c\/span\u003e\u003c\/em\u003e saving you money. Other companies slap a big name and markup on parts you already know, we go straight to the source. These coil packs come from the same place you're thinking of, laser-etched with our logo, and tested to the exact same standards.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe difference? The performance data is identical. The price isn't.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVorsprung Ignition Coils, here's why they're the smart choice:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e⚡ \u003cstrong\u003eUp to 10% more energy output\u003c\/strong\u003e than stock\u003c\/li\u003e\n\u003cli\u003e🔵 \u003cstrong\u003eRed or blue housing with Vorsprung logo\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e💪 \u003cstrong\u003eA true performance upgrade, not just for looks\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e🔌 \u003cstrong\u003eDirect plug-and-play fitment\u003c\/strong\u003e: no hassle\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eDirect ignition coil design\u003c\/strong\u003e (coil-on-plug, OEM-style reliability)\u003c\/li\u003e\n\u003cli\u003e🚗 \u003cstrong\u003eOne kit for every 3.0T turbo EA839 Audi\u003c\/strong\u003e, from the B9 S4 to the Q8\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhy upgrade?\u003c\/strong\u003e\u003cbr\u003eMore spark means stronger combustion, smoother power, and less chance of misfires. Plus, our reinforced design saves you from the typical failures, reduced power, poor fuel economy, and annoying misfires. \u003cem\u003e\u003cstrong\u003eHonestly? They just make your engine bay look way hotter.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eGet more performance without paying for the badge.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cdiv class=\"product-fitment-section\" style=\"margin: 20px 0; font-family: inherit;\"\u003e\n\u003ch3 style=\"font-size: 1.1rem; margin-bottom: 10px; font-weight: bold;\"\u003eVehicle Fitment\u003c\/h3\u003e\n\u003cp\u003eThis kit fits the Audi 3.0T turbocharged EA839 V6: the B9\/B9.5 S4, S5 and SQ5 (2018 to present), the C8 A6 and A7 (2019 to present), the D5 A8 (2018 to present), the 4M.5 Q7 (2020 to present) and the Q8 (2019 to present). This is the newer turbocharged EA839 engine, distinct from the older supercharged EA837 3.0T. For the B8\/B8.5 S4, S5, Q5, SQ5, C7 A6\/A7, D4 A8 and 4L\/4M Q7, use the \u003ca href=\"\/products\/vorsprung-zeus-ignition-coil-upgrade-kit-audi-3-0-supercharged-ea837\"\u003eZeus EA837 kit\u003c\/a\u003e.\u003c\/p\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; text-align: left; font-size: 0.95rem;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"border-bottom: 2px solid #ddd; background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eMake\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eYears\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eChassis\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eEngine\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAudi\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eS4\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2018 to present\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eB9 \/ B9.5\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e3.0T V6 Turbo (EA839)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAudi\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eS5 (Coupe, Sportback, Cabriolet)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2018 to present\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eB9 \/ B9.5\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e3.0T V6 Turbo (EA839)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAudi\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eSQ5\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2018 to present\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eB9 \/ B9.5\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e3.0T V6 Turbo (EA839)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAudi\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eA6\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2019 to present\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eC8\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e3.0T V6 Turbo (EA839)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAudi\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eA7\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2019 to present\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eC8\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e3.0T V6 Turbo (EA839)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAudi\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eA8 \/ A8 L\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2018 to present\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eD5\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e3.0T V6 Turbo (EA839)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAudi\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eQ7\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2020 to present\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e4M.5\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e3.0T V6 Turbo (EA839)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAudi\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eQ8\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2019 to present\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e4M\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e3.0T V6 Turbo (EA839)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin-top: 10px; font-size: 0.85rem; color: #555;\"\u003e\u003cem\u003e\u003cstrong\u003eNOTE:\u003c\/strong\u003e For the turbocharged EA839 3.0T engine only. Not compatible with the earlier supercharged EA837 3.0T. The 2.9T versions of the EA839 (RS4, RS5, S6, S7) and the 4.0T SQ7 and SQ8 are not listed. Confirm your engine code before ordering, or email help@vorsprungautowerk.com.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eZeus Ignition Coil Upgrade Kit FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this fit the B9 S4 and S5?\u003c\/strong\u003e\u003cbr\u003eYes. Every B9 and B9.5 S4 and S5 with the 3.0T turbo V6 (EA839) uses this coil. The same kit also fits the SQ5, C8 A6 and A7, D5 A8, Q7 and Q8 listed in the fitment table.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this a direct plug-and-play fitment?\u003c\/strong\u003e\u003cbr\u003eYes. These coils bolt in and connect using the factory connectors with no tuning or wiring changes required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need a tune to run these?\u003c\/strong\u003e\u003cbr\u003eNo. These are a drop-in upgrade over the factory coils and don't require any tune to install or benefit from.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's actually different from the stock coils?\u003c\/strong\u003e\u003cbr\u003eThese coils are built to the same source and standards as other premium aftermarket coils on the market, offering up to 10% more energy output than the factory units, at a lower price since we skip the third-party markup.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill this fit my EA837 supercharged S4\/S5?\u003c\/strong\u003e\u003cbr\u003eNo. This kit is for the newer turbocharged EA839 3.0T engine. If you have the earlier supercharged EA837 3.0T, use the \u003ca href=\"\/products\/vorsprung-zeus-ignition-coil-upgrade-kit-audi-3-0-supercharged-ea837\"\u003eZeus EA837 kit\u003c\/a\u003e, which fits every supercharged 3.0T Audi.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow many coils are included?\u003c\/strong\u003e\u003cbr\u003eThis kit includes a full set of coils to replace all cylinders on the EA839 V6.\u003c\/p\u003e\n\u003ch3\u003eComplete Your Build\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/vorsprung-truchill-intercooler-audi-b9-b9-5-s4-s5-3-0t\"\u003eTruChill Intercooler (B9\/B9.5 S4, S5)\u003c\/a\u003e: keep charge temperatures down as spark and boost go up.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/audi-3-0t-2-9t-billet-thermostat-housing-ea839\"\u003eEA839 Billet Thermostat Housing\u003c\/a\u003e: replace the plastic housing while you are already working on the engine.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"background-color: #f8fafc; border: 1px solid #e2e8f0; border-radius: 8px; padding: 24px; margin: 30px 0;\"\u003e\n\u003ch3 style=\"font-size: 1.25rem; font-weight: bold; margin-top: 0; margin-bottom: 20px; text-transform: uppercase; letter-spacing: 0.5px; color: #0f172a;\"\u003eWhy Buy From Us?\u003c\/h3\u003e\n\u003cul style=\"list-style-type: none; padding: 0; margin: 0;\"\u003e\n\u003cli style=\"margin-bottom: 14px;\"\u003e✅ \u003cstrong\u003eEnthusiast Designed \u0026amp; Tested:\u003c\/strong\u003e Developed by people who actually drive and modify these cars.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 14px;\"\u003e✅ \u003cstrong\u003eTested on Our Own Cars:\u003c\/strong\u003e Every product is validated on our own fleet before it ever reaches a customer.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 14px;\"\u003e✅ \u003cstrong\u003eContinuous R\u0026amp;D:\u003c\/strong\u003e We're constantly refining our parts based on real-world feedback and testing.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 14px;\"\u003e✅ \u003cstrong\u003eSupporting Audi Platform Development:\u003c\/strong\u003e Every purchase helps fund development of more parts for these platforms.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 14px;\"\u003e✅ \u003cstrong\u003eReal Enthusiast Support:\u003c\/strong\u003e Talk to people who actually know these cars, not a call center script.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 0;\"\u003e✅ \u003cstrong\u003ePerformance Without the Marketing Fluff:\u003c\/strong\u003e Honest parts, honest descriptions, no hype.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp style=\"text-align: center; font-weight: bold; margin-top: 30px;\"\u003eDrive the difference. Drive Vorsprung.\u003c\/p\u003e","brand":"Vorsprung Autowerk","offers":[{"title":"Blue","offer_id":56775354188079,"sku":null,"price":199.99,"currency_code":"USD","in_stock":true},{"title":"Red","offer_id":56775354220847,"sku":null,"price":199.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0923\/5821\/3935\/files\/vorsprung-autowerk-blue-vorsprung-zeus-ignition-coil-upgrade-kit-audi-3-0-turbo-ea839-49417020014895.png?v=1785216547"},{"product_id":"audi-3-0t-2-9t-billet-thermostat-housing-ea839","title":"Audi 3.0T\/2.9T Billet Thermostat Housing, EA839","description":"\u003ch3\u003eVorsprung Autowerk Billet Aluminum Thermostat Housing (EA839 3.0T\/2.9T)\u003c\/h3\u003e\n\u003cdiv style=\"background-color: #fef9c3; border: 1px solid #eab308; border-radius: 6px; padding: 12px 16px; margin: 12px 0;\"\u003e\n\u003cspan style=\"display: inline-block; background-color: #92400e; color: #ffffff; font-weight: bold; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.5px; padding: 3px 10px; border-radius: 4px; margin-right: 8px; vertical-align: middle;\"\u003ePre-Order\u003c\/span\u003e\n\u003cspan style=\"color: #451a03; font-size: 0.9rem; vertical-align: middle;\"\u003eThis is a new listing. Orders are shipping in batches, with stock arriving late October to early November 2026. Order now to be first in line.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cb\u003eYour cooling system runs on a part made from a material that can't handle its own job.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThe turbocharged EA839 3.0T\/2.9T V6 in your B9 S4, S5, SQ5, RS5, C8 A6, A7, S6, S7, D5 A8, 4M Q7 or Q8 makes serious heat under boost. Audi's answer at the thermostat housing? A factory plastic unit sitting directly in the coolant loop, baking through heat cycle after heat cycle.\u003c\/p\u003e\n\u003cp\u003eOver time that plastic goes brittle. It cracks at the seams, warps around the sealing surface, and starts weeping coolant right when you can least afford to lose it. A slow leak turns into a coolant warning, a coolant warning turns into an overheat, and an overheat on a turbocharged engine is not a cheap mistake.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eThe Permanent Solution:\u003c\/b\u003e We don't replace a failed plastic part with another plastic part. The \u003cb\u003eVorsprung Autowerk Billet Thermostat Housing\u003c\/b\u003e is machined from 6061-T6 aluminum and engineered to outlast the factory unit, and the car, entirely. It closes the weak point in your cooling loop for good, whether your EA839 sees daily traffic or a track day.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eReady to Drop In:\u003c\/b\u003e Order it with the OEM Calorstat thermostat already installed and go straight from box to bay, or grab the billet-only housing if you're reusing your current thermostat.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWant the full story?\u003c\/strong\u003e Read our \u003ca href=\"\/blogs\/news\/audi-ea839-thermostat-housing-failure-guide\"\u003eAudi EA839 thermostat housing failure guide\u003c\/a\u003e for symptoms, cost comparisons, and install notes.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cp\u003e\u003cb\u003eMaterial:\u003c\/b\u003e 6061-T6 Billet Aluminum (no cracking, no warping, no more plastic in the loop).\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cb\u003eFinish:\u003c\/b\u003e Anodized for corrosion resistance and a cleaner engine bay.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBillet Housing + OEM Calorstat Thermostat Includes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eBillet Housing\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOEM Calorstat Thermostat\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOE Gaskets\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eAll Hardware\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eNew Bolts\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBillet Housing Only Includes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eAll of the above except the thermostat\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eComplete Your Build:\u003c\/strong\u003e Pair this housing with our \u003ca href=\"\/products\/vorsprung-zeus-ignition-coil-upgrade-kit-audi-3-0-turbo-ea839\"\u003eZeus Ignition Coil Upgrade Kit\u003c\/a\u003e for stronger spark on the same EA839 platform, or our \u003ca href=\"\/products\/vorsprung-autowerk-4-bar-map-sensors-audi-b9-ea839\"\u003e4 Bar MAP Sensors\u003c\/a\u003e if you're already pushing more boost than stock.\u003c\/p\u003e\n\u003chr\u003e\n\u003cdiv class=\"product-fitment-section\" style=\"margin: 20px 0; font-family: inherit;\"\u003e\n\u003ch3 style=\"font-size: 1.1rem; margin-bottom: 10px; font-weight: bold;\"\u003eVehicle Fitment\u003c\/h3\u003e\n\u003cp\u003eThis housing replaces OEM part number 06M121115P (and the OEM thermostat, 06M121115N) across the EA839 3.0T\/2.9T turbocharged platform below.\u003c\/p\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; text-align: left; font-size: 0.95rem;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"border-bottom: 2px solid #ddd; background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eMake\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eYears\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eChassis\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eEngine\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAudi\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eS4\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2018–Present\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eB9 \/ B9.5\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e3.0T V6 Turbo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAudi\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eS5\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2018–Present\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eB9 \/ B9.5\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e3.0T V6 Turbo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAudi\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eSQ5\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2018–Present\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eB9 \/ B9.5\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e3.0T V6 Turbo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAudi\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eA6, A7\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2019–Present\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eC8\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e3.0T V6 Turbo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAudi\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eA8\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2018–Present\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eD5\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e3.0T V6 Turbo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAudi\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eQ7\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2020–Present\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e4M.5\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e3.0T V6 Turbo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAudi\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eQ8\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2019–Present\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e4M\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e3.0T V6 Turbo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAudi\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eRS5\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2018–Present\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eB9 \/ B9.5\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2.9T V6 Twin-Turbo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAudi\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eS6\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2020–Present\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eC8\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2.9T V6 Twin-Turbo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAudi\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eS7\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2020–Present\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eC8\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2.9T V6 Twin-Turbo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin-top: 10px; font-size: 0.85rem; color: #555;\"\u003e\u003cem\u003e\u003cstrong\u003eNOTE:\u003c\/strong\u003e This is the newer turbocharged EA839 3.0T\/2.9T engine, distinct from the older supercharged EA837 3.0T. Check your engine code before ordering.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003ch3\u003eThermostat Housing FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhy does the factory plastic thermostat housing fail?\u003c\/strong\u003e\u003cbr\u003eAfter thousands of heat cycles and constant exposure to corrosive antifreeze, the factory plastic turns brittle, cracks, and warps, eventually weeping coolant and risking an overheat on a turbocharged engine.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShould I get the full assembly or the billet-only housing?\u003c\/strong\u003e\u003cbr\u003eThe full assembly includes a billet housing pre-assembled with an OEM Calorstat thermostat, OE gaskets, all hardware, and new bolts. The billet-only housing includes everything except the thermostat, for anyone reusing a known-good factory unit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this a direct bolt-on?\u003c\/strong\u003e\u003cbr\u003eYes. It comes pre-assembled and installs in place of the factory plastic housing with no modification required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill this fit my supercharged EA837 S4\/S5?\u003c\/strong\u003e\u003cbr\u003eNo. This housing is for the newer turbocharged EA839 3.0T\/2.9T engine. If you have the older supercharged EA837 3.0T, check our separate EA837 billet thermostat housing listing instead.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need a tune after installing this?\u003c\/strong\u003e\u003cbr\u003eNo. This is a mechanical cooling system upgrade, not a tuning part, so no software changes are required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhen will my order ship?\u003c\/strong\u003e\u003cbr\u003eThis is a pre-order listing. Orders are shipping in batches, with current stock arriving late October to early November 2026.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill this fit my Audi?\u003c\/strong\u003e\u003cbr\u003eCheck the Vehicle Fitment table above. It covers every EA839 3.0T and 2.9T Audi listed there. If your Audi isn't listed, email us at help@vorsprungautowerk.com before ordering.\u003c\/p\u003e\n\u003chr\u003e\n\u003cdiv style=\"background-color: #f8fafc; border: 1px solid #e2e8f0; border-radius: 8px; padding: 24px; margin: 30px 0;\"\u003e\n\u003ch3 style=\"font-size: 1.25rem; font-weight: bold; margin-top: 0; margin-bottom: 20px; text-transform: uppercase; letter-spacing: 0.5px; color: #0f172a;\"\u003eWhy Buy From Us?\u003c\/h3\u003e\n\u003cul style=\"list-style-type: none; padding: 0; margin: 0;\"\u003e\n\u003cli style=\"margin-bottom: 14px;\"\u003e✅ \u003cstrong style=\"color: #0f172a;\"\u003eEnthusiast Designed \u0026amp; Tested:\u003c\/strong\u003e Developed by people who actually drive and modify these cars.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 14px;\"\u003e✅ \u003cstrong style=\"color: #0f172a;\"\u003eTested on Our Own Cars:\u003c\/strong\u003e If we wouldn't run it ourselves, we don't sell it.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 14px;\"\u003e✅ \u003cstrong style=\"color: #0f172a;\"\u003eContinuous R\u0026amp;D:\u003c\/strong\u003e We continually develop and improve our products instead of relying on generic catalog parts.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 14px;\"\u003e✅ \u003cstrong style=\"color: #0f172a;\"\u003eSupporting Audi Platform Development:\u003c\/strong\u003e Your purchase helps fund continued development of new parts for these chassis.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 14px;\"\u003e✅ \u003cstrong style=\"color: #0f172a;\"\u003eReal Enthusiast Support:\u003c\/strong\u003e Get help from people who understand the platform, not ticket bots.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 14px;\"\u003e✅ \u003cstrong style=\"color: #0f172a;\"\u003eSmall Team, Big Passion:\u003c\/strong\u003e Every order directly supports continued product development and innovation.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 0;\"\u003e✅ \u003cstrong style=\"color: #0f172a;\"\u003ePerformance Without the Marketing Fluff:\u003c\/strong\u003e Purpose-built parts designed to perform.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: center; font-weight: bold; margin-top: 30px;\"\u003eDrive the difference. Drive Vorsprung.\u003c\/p\u003e","brand":"Vorsprung Autowerk","offers":[{"title":"Billet Housing + OEM Calorstat Thermostat","offer_id":58552910840111,"sku":null,"price":224.99,"currency_code":"USD","in_stock":true},{"title":"Billet Housing","offer_id":58552910872879,"sku":null,"price":159.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0923\/5821\/3935\/files\/b41c95ad25fd656c868519f3a3718af2.png?v=1790606186"}],"url":"https:\/\/www.vorsprungautowerk.com\/collections\/audi-a8-d5-3-0t-performance-parts.oembed","provider":"Vorsprung Autowerk","version":"1.0","type":"link"}