Introducing Pulsar, a ground-breaking product for the 2015-2022 Ram 1500 5.7L Hemi engine and 2015-2021 Ram 2500 6.4L Hemi engine! The Pulsar is an in-line computer that connects directly to the vehicle PCM, with no additional wiring harness. By connecting directly to the truck’s PCM, Edge has the ability to control the vehicle to optimize performance gains, throttle response, MDS controls, mileage, and more. To make things even better, the Pulsar offers 8 performance levels that can be switched on-the-fly by using the vehicle cruise control “+” and “–” buttons on the steering wheel. The active power level (1-8) is displayed where the gear indicator shows on the dash. Pulsar installs in minutes and is the most exciting and innovative product on the market for 2015-2021 Ram 1500 Hemi engine and 2015-2021 Ram 2500 6.4L Hemi engine trucks!