Jaguar XJ
Top class tuning files for Jaguar XJ are just a few clicks away. Choose the generation of the XJ from the list below to see all available engines for that generation. This is where you can see the expected power and torque gains for that exact engine of the Jaguar XJ that you are tuning.
Our tuning files are made by engineering experts and after tuning your XJ, it will be safe, reliable and a lot faster.
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