So most of us seem to agree that 2 inch is the ideal for an NA pro and that 2.25'' is the absolute max. Has anybody tried 2 1/8"?? I still plan on getting a set of cams from a 99+ Miata but thats going to be on hold for a little while now.
When I do get an exhaust would I be better off sticking with 2" or with the breathing improvements gained by the cams should I try a 2 1/4" diameter or if I can find 2 1/8" pipe which doesn't seem to be all that common should I try that??
When I do get an exhaust would I be better off sticking with 2" or with the breathing improvements gained by the cams should I try a 2 1/4" diameter or if I can find 2 1/8" pipe which doesn't seem to be all that common should I try that??
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