BMW M3 Forum (E90 E92) - View Single Post - Active Autowerke Signature Exhaust - E92 M3

J08M3 · 05-19-2009, 08:10 AM

But that's cause of your ECU tune. Not your mufflers quieting down.

05-19-2009, 08:10 AM	#15
J08M3 Major General 286 Rep 6,007 Posts Drives: 2011 M3 COUPE Join Date: May 2008 Location: NEW YORK iTrader: (8)	But that's cause of your ECU tune. Not your mufflers quieting down. __________________
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