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

NiVeDh · 06-22-2009, 07:28 PM

Just did this. Couldn't tell the difference at first but there's a significant increase in loudness, especially when cruising on the highway in 6th gear.

06-22-2009, 07:28 PM	#253
NiVeDh Major General 422 Rep 8,003 Posts Drives: '08 E90 335i, '99 E36 M3 Join Date: Apr 2009 Location: Houston, TX & Atlanta, GA iTrader: (132) Garage List 2008 BMW 335i Sedan [8.66]	Just did this. Couldn't tell the difference at first but there's a significant increase in loudness, especially when cruising on the highway in 6th gear.
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