A performance product unlike any other on the market and it's just been overhauled for even better performance and reliability. Now available for 2021 3.6L Jeep Wrangler JL vehicles the latest version of Pulsar is an innovative inline module engineered to keep your stock PCM on the Jeep with no PCM swap or unlock required. Enjoy Pulsar as a shift-on-the-fly performance programmer, calibration tool, and throttle sensitivity booster all in one easy-to-use device. The all new case offers better rigidity and durability in the most extreme applications, while the internal PC board has been updated for better performance and reliability. We're also proud to announce that Pulsar for JL/JT can also be used to read and clear Diagnostic Troubles Codes, while still offering tire size and gear ratio calibration, Auto Start/Stop Disable, and TPMS options to adjust or enable/disable.