Jaguar XJ ECU Tuning (No Handheld) 5.0L
Jaguar XJ ECU Tuning (No Handheld) 5.0L. Performance ECU re-programming. Performance ECU remapping can deliver stunning results, transforming power delivery, throttle response, sound and transmission systems in your new Supercharged Jaguar XJ 5.0L.
*Jaguar XJ: 25+ BHP increase.
**Must be flashed through the OBD-II port. Please contact us for more information.
**If you are located outside the Chicago area, we can send you a laptop and walk you through programming your car through the OBD-II port. A security deposit will be needed for computer. Please contact us.
5 in stock
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