You can find the chip tuning file for your Porsche 911 1997 - 2006 ( 996 ) 3.6i Turbo 420hp 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 911 1997 - 2006 ( 996 ) 3.6i Turbo 420hp vehicle is the result of a special product by Hyperols Engineers. In addition, we can increase the power of your vehicle from 420 HP to 515 HP, 620 Torque to 725 Torque.