News
Audi A4
Audi A4 Exhaust System: Upgrade Guide by Generation, Sound and Legality
An honest Audi A4 exhaust system guide: how the layout changes from B8 to B9,...
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Audi S4
Performance Parts for Audi S4: What to Buy at Every Budget
A category-by-category guide to performance parts for Audi S4 models, B8/B8.5 and B9, with clear...
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Audi quattro
Torsen vs Haldex: Which Audi quattro System Does Your Car Have?
Torsen vs Haldex, minus the forum myths: how Audi's longitudinal Torsen and crown-gear quattro differs...
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Audi 3.0T
Audi 3.0T Supercharged Engine: EA837 Gen 1 vs CREC, Failures & Fixes
The Audi 3.0T supercharged engine (EA837) explained: Gen 1 vs Gen 2 CREC, which models...
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Audi 3.0T
Audi Heat Exchanger Upgrade: Pick, Plumb and Install It Right
A buyer's and install guide to the Audi heat exchanger upgrade: what to look for...
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3.0T Supercharged
Air to Water Intercooler: How the Supercharged Audi 3.0T Loop Works
How the air to water intercooler on a supercharged Audi 3.0T actually works, why Audi...
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Audi S4
Audi S4 Mods: The B8/B8.5 Stage-by-Stage Build Roadmap
A stage-by-stage roadmap of Audi S4 mods for the B8 and B8.5 3.0T: reliability first,...
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Audi A4
Audi A4 Downpipe Guide: 2.0T Facts and Why the S4 Shops Differently
Every US-market B8, B8.5 and B9 A4 runs the 2.0T four-cylinder, and its downpipe is...
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Audi 3.0T
Audi 3.0T Downpipes: What They Really Are on the Supercharged V6
There is no turbo on the supercharged 3.0T, so what is a downpipe? Here is...
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B8/B8.5
Custom Forged Wheels for Audi: How Made-to-Order Sets Are Built
How custom forged wheels for Audi actually get made: the fitment survey, sizing and offset...
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4M Q7
Audi Transmission Mount Upgrade: Crisper Shifts for B8, B9, C7 and 4M
An Audi transmission mount upgrade is the cheapest way to kill drivetrain slop and clunky...
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