Jaguar XJ 2009 -> R575 5.0 V8 Supercharged 575hp ECU Remapping
A professional ECU remap can optimise the way your Jaguar XJ delivers power and torque, helping the vehicle feel stronger, smoother and more responsive in everyday driving.
The expected Stage 1 figures for this vehicle show an increase from 575 BHP to 600 BHP, with torque improving from 700 Nm to 750 Nm.