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Should I get a custom exhaust for my M3?
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05-22-2008, 12:16 PM
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M3BALLER08
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Drives: M3
Join Date: May 2008
Location: Teh Hills
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I went with the Eisenmann system for my M3. It sounds great. I haven't done any dyno runs so I'm not sure if it makes power but it feels ok on the butt dyno to me. I doubt a muffler would add much hp either way.
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