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      08-30-2012, 01:31 AM   #3
rjd598
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Drives: 10' M3
Join Date: Jan 2009
Location: San Diego,CA

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2010 BMW M3  [4.50]
1999 BMW M3  [0.00]
Quote:
Originally Posted by showcase View Post
Very nice, what sort of performance gains can be expected with this exhaust?
If its just a muffler none
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