You can find the chip tuning file for your Jaguar XJ 2009 -> R575 5.0 V8 Supercharged 575hp 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 Jaguar XJ 2009 -> R575 5.0 V8 Supercharged 575hp vehicle is the result of a special product by EcuPrime Engineers. In addition, we can increase the power of your vehicle from 575 HP to 600 HP, 700 Torque to 750 Torque.