2021 Jeep Wrangler JL 3.6 Pulsar Tuner

Tune Your Jeep Wrangler JL 3.6 In Minutes with No PCM Swap!

Pulsar is a brand new, innovative invention that has been engineered to keep your customers stock PCM on the Jeep with no flash tuning, or removal of the PCM itself, required. Enjoy Pulsar as a 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 vehicles computer with no additional wiring harness required. No PCM swap required! Pulsar, PN 42451, is a brand new, innovative product that has been engineered to keep your PCM on the vehicle with no flash tuning, or removal of the computer itself, required. Pulsar is an in-line computer that connects directly to the vehicle’s PCM, with no additional wiring harness. JL performance tuning has never been this easy!


User-adjustable power levels via cruise control buttons
Adjustable power levels on-the-fly
Tire Size: 20" to 40"
Gear Ratio: 2.00 - 5.99
Improves economy, towing capabilities, and performance
Up to 4 performance levels
Power level displayed on OEM dash
Adds up to 30 HP and 27 ft-lbs TQ
Auto Start/Stop enable
TPMS On/Off
Tire Pressure Adjust 22-64
Adjusts accelerator pedal response

The part number for this item is Diablosport 42751 and it fits 2021 Jeep Wrangler JL 3.6 models.