Jaguar XJ 2009 -> R 5.0 V8 Supercharged 550hp 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 550 BHP to 570 BHP, with torque improving from 680 Nm to 720 Nm.