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      03-12-2017, 09:21 PM   #20
Jdubya
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Drives: 2014 550i
Join Date: Apr 2009
Location: Los Angeles

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Quote:
Originally Posted by remmib View Post
Quote:
Originally Posted by Jdubya View Post
M performance exhaust fits with the stock M Sport diffuser. I just picked up my car with the M performance exhaust. Tips are nice but the exhaust is pretty loud and drones quite a bit under light throttle.
Looking at your pic, it looks like you changed to the M550i diffuser.

http://g30.bimmerpost.com/forums/sho...6#post21402566
No they said it was the stock one. Who knows!