You can find the chip tuning file for your Hummer H2 2008 - 2009 6.2 V8 393hp 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 Hummer H2 2008 - 2009 6.2 V8 393hp vehicle is the result of a special product by Hyperols Engineers. In addition, we can increase the power of your vehicle from 393 HP to 415 HP, 574 Torque to 600 Torque.