Thread: Stock Exhaust is Perfect
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      07-18-2008, 12:42 PM   #4
J08M3
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Drives: 2011 M3 COUPE
Join Date: May 2008
Location: NEW YORK

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well I had the Supersprint Sports on for about two days, I think they just covered up the whine sound. They sounded sick, but didn't fit my idea for the car should be.
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