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      03-10-2010, 07:43 PM   #1
bame_E92
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Drives: 2009 E92 M3
Join Date: Jun 2009
Location: Wilmington North Carolina

Posts: 236
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HELP...OEM Exhaust Upgrades?

Does anyone know the best way to up the noise on the 2009 E92 OEM exhaust? I want to keep the stock exhaust so I'm just looking for something to add that extra roar. I heard of some kind of valve that can be installed but I'm not sure exactly what it's called. Any suggestions?
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