BMW M3 Forum (E90 E92) - View Single Post

PLAY_HRD · 07-28-2009, 12:44 PM

About the bends, crimps, and flat spots, I have my own theory. They are purposely engineered into the exhaust to continually disrupt the air flow, this greatly reduces drone and standing wave vibrations.

07-28-2009, 12:44 PM	#24
PLAY_HRD GOT M 2 Rep 128 Posts Drives: 2011 1M Join Date: Jun 2009 Location: Woodbridge, VA iTrader: (0)	About the bends, crimps, and flat spots, I have my own theory. They are purposely engineered into the exhaust to continually disrupt the air flow, this greatly reduces drone and standing wave vibrations. __________________
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