Audi 3.0T Tech Guides & News
Coolant Control Valve on Audi: What It Actually Does
Understand how the coolant control valve works in Audi cooling and charging systems, the symptoms...
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Test Pipes vs High Flow Cats: Which One Fits Your Audi 3.0T or 4.0T?
Test pipes or high flow cats? This decision guide compares flow, sound, smell, check engine...
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Catless Downpipe vs Catted: Power, Sound, Smell, CEL and Resale
Six rounds, two contenders. We put catless and catted downpipes head to head on power,...
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Audi Downpipe Buyers Guide: 10 Checks for 3.0T and 4.0T Owners
Before you spend four figures on exhaust, run this 10-point checklist. Materials, flanges, O2 bungs,...
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Catalytic Converter Test Pipes: What They Are, Risks and Who They Suit
Catalytic converter test pipes replace your cats with open tube. Here is what that really...
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What Is a Turbo Back Exhaust? Turbo-Back vs Cat-Back vs Downpipe on Audis
What is a turbo back exhaust, and how is it different from a cat-back or...
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Audi RS7 Tuning: C8 4.0T Stages, Downpipes and What Actually Holds Up
Audi RS7 tuning for the C8 EA825 4.0T: what Stage 1, 2 and 3 really...
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High Flow Catted Downpipe Guide: Cell Counts, CELs and Audi Fitment
A high flow catted downpipe keeps a converter in the pipe but swaps the choking...
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