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      06-11-2012, 10:54 PM   #20
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Drives: 10' M3
Join Date: Jan 2009
Location: San Diego,CA

Posts: 4,471
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2010 BMW M3  [4.50]
1999 BMW M3  [0.00]
Originally Posted by ftconstruct View Post
I installed the Challenge axle back about a week ago. It sounds incredible in my opinion. I am coming from an Eisenmann Sport paired with the Challenge Street x-pipe. I am running the stock x-pipe pipe with the new Challenge exhaust and I think it would be too loud for my taste with an aftermarket x-pipe. I will post a full review soon. Very happy so far.
Can't wait for your review!
10 E90 M3/dct/ztp/zpp/heated seats/eps/19'/iPod
retired- 08 535i/nav/prem./L7/ipod
retired- 06 325i/nav/prem./sat/xenons/style 128

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