rofljerry
Proven Member
- 85
- 2
- Aug 18, 2014
-
MUSKEGON,
Michigan
Hey guys, I have a a HF cat on my 3in exhaust system, i needed one for california since I was out there, but now I'm back home in Michigan. Should I straight pipe it or not? I dont know everything about the air or exhaust science behind cars but my buddy was saying that if I take of the HF Cat I would lose back pressure for my turbo and that I would actually decrease performance rather than gain. But I always figured straight pipe would help me gain HP but I'm not sure what to do. Any help please.