Engine Masters: Season 6, Episode 25 - ProjectFreeTV

6 - 25: General Mayhem 440 Returns

We strap the General Mayhem 440 on the dyno to make some decisions on which intake and headers to run in the car, but also -- and most importantly -- to squeeze out more than the 707 Hellcat horsepowers that have been so unceremoniously yanked from the framerails.