Superchips 42451 Computer Programmer/Tuner for 18-20 Jeep Wrangler JL 3.6

A performance product unlike any other on the market is now available for 2018-2021 3.6L Jeep Wrangler JL vehicles. Pulsar is a brand new, innovative invention that has been engineered to keep your stock PCM on the Jeep with no flash tuning, or removal of the PCM itself, required. Enjoy Pulsar as a shift-on-the-fly performance programmer, calibration tool, and throttle sensitivity booster all in one easy-to-use device. Pulsar is an in-line computer that connects directly to the vehicle's computer with no additional wiring harness required. No PCM swap required!