Audi A4 (B6/B7) 2WD / Quattro

APR is pleased to present the ultimate ECU Upgrade for the 2.0T FSI engine. After months of long nights and many hours of testing, development and more testing, we are pleased to offer you an ECU recalibration that is second to none. APR's extensive...

If your car is misfiring, running sluggish and otherwise running poorly, you may be experiencing symptoms of a bad mass airflow sensor (MAF). These can sometimes fail from from being dirty, or even excessive oil from a high-flow air filter. Replace your...

EURO Ultra-Premium brake pads provide exactly the ideal vehicle control and response performance intended by the manufacturers of European makes. European car owners across North America now have a brake pad solution that will keep their wheels...

Partial Kit

Full Kit

Modification of the 2.0T FSI engine far beyond OEM power levels requires an additional volume of high-pressure fuel especially in the midrange (3000-5000rpm) of the powerband. To understand why this fuel is needed for the mid range, one must first...

Modification of the 2.0T FSI engine far beyond OEM power levels requires an additional volume of high-pressure fuel especially in the midrange(3000-5000rpm) of the powerband. To understand why this fuel is neededfor the midrange, one must first...