Thread: DIY: 335i Exhaust Sound Mod. Better, and even easier than golf tee mod.
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      05-02-2012, 02:20 AM   #525
Lankster
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Drives: 2007 335xi
Join Date: Apr 2012
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Quote:
Originally Posted by Paul Stig View Post
Folks, I use this lazy way, adding a switch to turn golf tee mode on or off.
Details on how you achieved this?
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