You can find the chip tuning file for your Cadillac STS 2006 - 2010 4.4 V8 469hp 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 Cadillac STS 2006 - 2010 4.4 V8 469hp vehicle is the result of a special product by EcuPrime Engineers. In addition, we can increase the power of your vehicle from 469 HP to 500 HP, 595 Torque to 680 Torque.