Ram's line of Hemi powered 5.7 and 6.4 trucks became much more difficult to tune from 2015 onward. Edge Pulsar is an industry-leading solution for that problem. Pulsar allows you to to add up to 30hp and 30ft-lbs of torque by optimizing fuel and timing to maximize that Hemi horsepower. Designed for late-model Dodge and Ram HEMI engines, the Edge Pulsar HEMI delivers instant horsepower and torque gains with seamless integration and on-the-fly control.