You can find the chip tuning file for your Audi RS4 B5 -> 2001 2.7 V6 Biturbo 380hp vehicle on our site. These files are created especially for you and handed to you. All our Tuning files are extensively tested on Dynometer. The development of the tuning file for your Audi RS4 B5 -> 2001 2.7 V6 Biturbo 380hp vehicle is the result of a special product by EcuPrime Engineers. In addition, we can increase the power of your vehicle from 380 HP to 430 HP, 440 Torque to 570 Torque.