{"product_id":"vorsprung-high-flow-cats-audi-4m-sq7-sq8-rsq8-ea825-4-0t-v8","title":"Vorsprung High Flow Cats, Audi  4M SQ7, SQ8, RSQ8 EA825 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\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\u003eBoth configurations are engineered to meet \u003cb\u003eEuro 6 and EPA compliance specifications\u003c\/b\u003e, ensuring that you get the performance you paid for without the headaches. By sourcing the highest-quality non-branded metallic cats available, we provide a setup that ensures no Check Engine Lights (CEL), no noxious smells, and rock-solid reliability—all 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\u003eWe’re currently beta testing emissions compliance with a number of users — so far, everything is running clean. These converters are rated to withstand temps well beyond what the 4.0T can throw at them.\u003c\/p\u003e\n\u003cp\u003eAnd for peace of mind? You get a an\u003cstrong\u003e unlimited-launch warranty\u003c\/strong\u003e against catalyst failure. Go ahead — drive it like you mean it.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eWarranty Disclaimer: No catalysts, including ours, are designed to withstand crackle or burble tunes and cannot withstand ignition-cut launch control environments. We reserve the right to void warranty if such conditions were present. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePlease note: These are currently made to order. Delivery times are approximately 30 days.\u003c\/strong\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \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  \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.\n      \u003c\/div\u003e\n    \u003c\/li\u003e\n    \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.\n      \u003c\/div\u003e\n    \u003c\/li\u003e\n    \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.\n      \u003c\/div\u003e\n    \u003c\/li\u003e\n    \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.\n      \u003c\/div\u003e\n    \u003c\/li\u003e\n    \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.\n      \u003c\/div\u003e\n    \u003c\/li\u003e\n    \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.\n      \u003c\/div\u003e\n    \u003c\/li\u003e\n    \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.\n      \u003c\/div\u003e\n    \u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Vorsprung Autowerk","offers":[{"title":"200 Cell \/ Standard \/ SQ7\/SQ8\/RSQ8","offer_id":58367744049455,"sku":null,"price":1799.99,"currency_code":"USD","in_stock":true},{"title":"200 Cell \/ Standard \/ RS6\/RS7 D5 A8\/S8","offer_id":58367744082223,"sku":null,"price":1799.99,"currency_code":"USD","in_stock":true},{"title":"200 Cell \/ Dual Layer Quartz Lined (Superior Heat Management and Exhaust Evacuation) \/ SQ7\/SQ8\/RSQ8","offer_id":58367744114991,"sku":null,"price":2099.99,"currency_code":"USD","in_stock":true},{"title":"200 Cell \/ Dual Layer Quartz Lined (Superior Heat Management and Exhaust Evacuation) \/ RS6\/RS7 D5 A8\/S8","offer_id":58367744147759,"sku":null,"price":2099.99,"currency_code":"USD","in_stock":true},{"title":"400 Cell \/ Standard \/ SQ7\/SQ8\/RSQ8","offer_id":58367744180527,"sku":null,"price":1899.99,"currency_code":"USD","in_stock":true},{"title":"400 Cell \/ Standard \/ RS6\/RS7 D5 A8\/S8","offer_id":58367744213295,"sku":null,"price":1899.99,"currency_code":"USD","in_stock":true},{"title":"400 Cell \/ Dual Layer Quartz Lined (Superior Heat Management and Exhaust Evacuation) \/ SQ7\/SQ8\/RSQ8","offer_id":58367744246063,"sku":null,"price":2199.99,"currency_code":"USD","in_stock":true},{"title":"400 Cell \/ Dual Layer Quartz Lined (Superior Heat Management and Exhaust Evacuation) \/ RS6\/RS7 D5 A8\/S8","offer_id":58367744278831,"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","url":"https:\/\/www.vorsprungautowerk.com\/products\/vorsprung-high-flow-cats-audi-4m-sq7-sq8-rsq8-ea825-4-0t-v8","provider":"Vorsprung Autowerk","version":"1.0","type":"link"}