Richer or leaner?
11-25-2003, 06:11 PM
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Richer or leaner?
I was just wondering if a more free-flowing exhaust (i.e. headers and duals) would make your engine run richer or leaner? I've heard some people say richer and some people say leaner. I think they'd run leaner with more air easily flowing through the engine, but i've been wrong before and i'm sure i'll be wrong many more times.
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