Thread: DIY: 335i Exhaust Sound Mod. Better, and even easier than golf tee mod.
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      01-12-2010, 03:09 PM   #315
HsiangHsu
Taiwanese Baller
United_States
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Drives: 335i / M3
Join Date: Jan 2010
Location: Artesia

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i've just done this... to me its just a "slight" increase...but i'm "happier' now...
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