DIY: 335i Exhaust Sound Mod. Better, and even easier than golf tee mod.
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07-13-2009, 02:15 PM
Drives: BMW E92
Join Date: Jul 2009
Location: Los Angeles, California
I did it I noticed a more of Roar when starting car, but IMO when I'm driving I didn't notice a difference but maybe like everyone else say it's gets better over time I'll maybe notice a differnece sometime soon.
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