BMW 3-Series (E90 E92) Forum - View Single Post - DIY: 335i Exhaust Sound Mod. Better, and even easier than golf tee mod.

tuboy19 · 12-07-2014, 10:28 PM

First mod to my 335xi, very similar to my Corvette with NPP exhaust in theory... makes it sound like it should've from the factory.

12-07-2014, 10:28 PM	#668
tuboy19 Registered 0 Rep 3 Posts Drives: 2007 335Xi Sedan Join Date: Dec 2014 Location: Philadelphia, PA iTrader: (0)	First mod to my 335xi, very similar to my Corvette with NPP exhaust in theory... makes it sound like it should've from the factory.
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