News
550cc Injectors for Audi: Port vs Direct Injection on the 3.0T and 4.0T
Thinking about 550cc injectors for your Audi? Here is why Bosch-style 550cc port injectors do...
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Audi Cylinder Head Gasket Set: What It Covers and What to Add on a 3.0T
What an Audi cylinder head gasket set really covers, why MLS gaskets and single-use head...
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High Flow Catalytic Converter: How It Works and When to Run One
How does a high flow catalytic converter work? We explain 100, 200 and 400 cell...
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Catalytic Converter for Audi: Replace, Upgrade, or Go High Flow?
Replace or upgrade? Our catalytic converter for Audi buyer's guide covers failing-cat symptoms, OEM vs...
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Audi Check Engine Light Causes: Top 10 on the 3.0T and 4.0T, With Codes
The top 10 Audi check engine light causes on the supercharged 3.0T and twin-turbo 4.0T,...
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Audi V8 Supercharged: The Truth About 4.2 FSI Blowers and the 4.0T
Audi V8 supercharged, explained honestly: the 4.2 FSI was naturally aspirated, the 4.0T is twin-turbo,...
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Audi Performance Parts Glossary: 3.0T, 4.0T and Tuning Terms Decoded
Plain-English definitions of the engine codes, supercharger, turbo, exhaust, cooling, drivetrain and wheel terms you...
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