1970Duster
Well-Known Member
- Joined
- May 30, 2010
- Messages
- 6,644
- Reaction score
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Just a thought/question have any of you ever tried to improve the flow of the hi-po manifolds? I mean like grind away all the bumps inside of it (as far as possible anyway) and smooth it all out? I know it won't match the flow of headers but it would improve it right.