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      11-07-2011, 12:59 AM   #4
M3Monster
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Drives: 2011 E90 M3
Join Date: Jun 2011
Location: Valencia, Ca

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Quote:
Originally Posted by MJM View Post
I have an AKRA Slip-on with a Challenge Engineering "Street" X-pipe (http://www.challenge-usa.com/v2/exhaust/bmw/street.htm) in Massachusetts if that is of interest to you.

MJM
How does this sound? Any sound clips?? I also have the Challenge street X-pipe and I'm trying to figure out which axle back i want to go with...
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