Engine Masters
Mandrel- v. Crunch-Bent Exhaust (6x4)
: 23, 2021
The guys find out if mandrel-bent exhaust pipes really make more power over the crimped and crunched pipes the local shop bends up. They'll test them with mufflers, without mufflers, with turbo mufflers and straight-through mufflers, all in a quest for data and horsepower.