RS6 V10

APR Audi RS4 (B7) 4.2L FSI V8 ECU Upgrade

APR Audi RS4 (B7) 4.2L FSI V8 ECU Upgrade Automobile Magazine Review of APR Software APR is pleased to present the ultimate ECU Upgrade for the Audi B7 RS4 4.2L FSI V8 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.

 

The long awaited software upgrade is now available for the B7 RS4!

 

 

APR Tuned Badge

Show your APR pride with our APR Tuned badges. Our badges have a polished chrome finish to keep a factory-like look over the years. The badge is approximately 70 mm (2 3/4″) long and 38 mm (1 1/2″) tall, and nicely replaces the stock engine designation badge on the back of the car.

 

Ferodo DS2500 brake pads

Ferodo DS Performance brake pads are designed for the driver who demands the ultimate in braking performance. They provide the kind of braking power normally associated with racing cars – all without the need to build up and maintain high operating temperatures.

 

Ferodo DS Performance brake pads are designed for the driver who demands the ultimate in braking performance. They provide the kind of braking power normally associated with racing cars – all without the need to build up and maintain high operating temperatures.