You can find the chip tuning file for your Porsche 911 2004 - 2011 ( 997 ) Carrera 3.8i 376hp 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 ) Carrera 3.8i 376hp vehicle is the result of a special product by EcuPrime Engineers. In addition, we can increase the power of your vehicle from 379 HP to 390 HP, 415 Torque to 135 Torque.