You can find the chip tuning file for your Cadillac CTS 2002 - 2007 3.6 V6 257hp 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 CTS 2002 - 2007 3.6 V6 257hp vehicle is the result of a special product by EcuPrime Engineers. In addition, we can increase the power of your vehicle from 257 HP to 270 HP, 340 Torque to 365 Torque.