Thread: DIY - 328i Performance Exhaust Installation
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      07-31-2013, 01:41 PM   #13
Kirkies328
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Drives: White 328i with black rims
Join Date: Jul 2013
Location: Laguna niguel

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Originally Posted by Phil325i
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Originally Posted by Kirkies328 View Post
What does the acoustic distributor do exactly.
Helps cut drone (I think).
Does it make the exhaust any louder?
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