Anyone have experience with HHP or Jeff at High Horse Hhp Tuning
392 Headers and Tune ONLY on the Dyno! | HHPRACING Here is a quick clip of one of our Stage 2 Challengers, the fastest and most powerful heads and cam package on the market. We've got another one of our race proven Hellcat setups listed in a ready-made package! Link here: If you've The real sign of a knowledgeable tuner is how the car performs in everyday use. Anyone (almost) can tune a car for wide open throttle, NOT The After FX ProCharged HHP/BES 440c.i. Dodge Challenger SRT-8 Walkaround ...