You can find the chip tuning file for your Porsche 911 2004 - 2011 ( 997 ) GT3 RS 3.8i 435hp 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 2004 - 2011 ( 997 ) GT3 RS 3.8i 435hp vehicle is the result of a special product by Hyperols Engineers. In addition, we can increase the power of your vehicle from 435 HP to 455 HP, 430 Torque to 450 Torque.