Watch Engine Masters Season 6 Episode 25 Online
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- COUNTRIES: United States of America
- Subtitles: English
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.