You can find the chip tuning file for your Porsche Cayenne 955 - 2002 - 2007 4.5 V8 Turbo 500hp 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 Porsche Cayenne 955 - 2002 - 2007 4.5 V8 Turbo 500hp vehicle is the result of a special product by Hyperols Engineers. In addition, we can increase the power of your vehicle from 500 HP to 530 HP, 700 Torque to 780 Torque.