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Old 12-16-2010, 12:29 AM   #2
craz azn
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Location: Port Perry
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Chopping mufflers and whatnot won't yield significant gains. Obviously a straight-through muffler like a Magnaflow will flow better, but not as bad as you would think compared to stock. The butt dyno found the most gains to be with headers + cat delete. Since you are just here for sound, my 2 cents would be just buy a nice dual in/dual out muffler and get it installed with stock piping and rock that. Stock M20s sound good with any muffler attached to them.

Back in '07, I rocked this setup for a bit: Headers+no cat+magnaflow... and it turned out to be very loud (almost too loud) for the street so keep that in mind. I put a stock muffler on, and haven't looked back since.

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