Advice

Fastfitter

Spectator
Joined
Jul 24, 2018
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I race a street stock division out on the West Coast. I can't seem to get much help from the people at my local track. Thought I would reach out here.

Some guys are running mufflers and some are running open exhaust. We are required to run exhaust manifolds. I have heard a muffler can create some back pressure thus creating more torque. Any thoughts
 
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