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      03-02-2013, 11:30 AM   #6
happos2
Dingleberries
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Drives: Gray E92 M3
Join Date: May 2012
Location: Indiana

iTrader: (3)

Quote:
Originally Posted by 325rider View Post
Sorry to troll ur thread can u describe the difference? Which one is loud and which one is super loud!????
ACM mode (aka straight through) is loudest. Perforated pipe replacement is less loud. Cheers.

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