Water Methanol Injection and VAG Vehicles Kids, it’s time to talk about meth. Specifically water methanol injection. Why we love it …

Whether this is your first rodeo or you’ve tuned before, getting your car  running its best and keeping up with …

Travis sharing his Dyno results! Testing done at AU Tuning - ambient air temp was at about 82 degrees. 2001 Audi A4 Quattro B5 …

A quality diverter valve is a key component for a tuned VAG engine. The diverter valve allows the turbo to …

The N75 valve is responsible for controlling boost in your turbocharged VAG vehicle. It is designed to regulate boost comfortably …