RESEARCH Exhaust System
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08-31-2010, 03:35 PM
Drives: 08 Z4MC IRed/09 328xi & 09 335
Join Date: Dec 2009
Location: East Peoria IL
2008 Z4M Coupe
Will not be as loud as people may expect.
remember the phrase "the best muffler is no muffler"?
I changed to the best muffler is a negative muffler.
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