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      03-10-2010, 08:09 PM   #4
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Drives: Z4 35i & Mini Cooper S
Join Date: Dec 2009
Location: Geneva & Joburg

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Originally Posted by bame_E92 View Post
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?
There's the Golf tee mod for the 335i which keeps the exhaust flap open at all times. Not sure about the m3 though...

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