Thread: DIY: 335i Exhaust Sound Mod. Better, and even easier than golf tee mod.
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      04-13-2008, 05:46 AM   #130
roozie2001
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Drives: 2008 White 335i sedan
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Location: Houston, TX

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i just did this. definately more growl than before. any info it takes away or adds a any power??
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