The Spider® diesel tuning system is available for the following Jeep diesel engines. Installation is plug and play on all Jeep engines. Listed below are the Jeep models covered with dyno proven before and after performance figures. Once the diesel tuning system is fitted, performance of your Jeep will be crisper, flat spots will be replaced with much more low end torque. Smoothness on acceleration is another added benefit of our tuning system.

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