HELP...OEM Exhaust Upgrades?
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03-10-2010, 08:06 PM
Deutsche Jung aus Kölle
Drives: 2008 E92 ///M3 Alpine White
Join Date: Oct 2009
Location: SoFla - Bonita Springs
That valve is on the 335i..not the M3... that's all I know. Not sure how the stock exhaust can be made louder...
Alpine White//Fox Red//6MT//
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