You can find the chip tuning file for your Cadillac XLR 2006 - 2009 4.6 V8 326hp 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 XLR 2006 - 2009 4.6 V8 326hp vehicle is the result of a special product by EcuPrime Engineers. In addition, we can increase the power of your vehicle from 326 HP to 346 HP, 423 Torque to 450 Torque.