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      03-23-2013, 11:51 AM   #2
buildbright
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Drives: F80 M3 MG
Join Date: Sep 2012
Location: Tampa, FL

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I have been waiting for this! But this makes me relize the F30 stock muffler is a well designed unit so well I can't believe it. It's so quiet with this design I am a little shocked. But it does have a giant Hemholtz Chamber.