Thread: DIY: 335i Exhaust Sound Mod. Better, and even easier than golf tee mod.
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      04-24-2012, 09:24 PM   #522
porkchops!
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Drives: 08 335xi
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Unplugged mine tonight... Definitely more aggressive! And no errors from what I can tell. E90 pre-lci 335xi btw. Easiest DIY I've ever done!
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