OEM exhaust mod-2nd version up and running
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12-07-2011, 06:48 PM
Drives: 2009 M3 Sedan 6MT
Join Date: Feb 2008
Location: Pleasanton, CA
Mine doesn't drone at all and it was done the first way.
Don't like drone, don't want drone.
M3 Sedan - AW/Black - 6MT - no moonroof - no folding seats -
- clear bra by
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