You can find the chip tuning file for your Porsche Cayenne 955 - 2002 - 2007 S 4.5 V8 340hp 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 S 4.5 V8 340hp vehicle is the result of a special product by Hyperols Engineers. In addition, we can increase the power of your vehicle from 304 HP to 360 HP, 420 Torque to 445 Torque.