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      06-13-2009, 09:53 PM   #2
J08M3
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Drives: 2011 M3 COUPE
Join Date: May 2008
Location: NEW YORK

iTrader: (8)

x-pipe and hfc's will be loud and awesome sounding. I just switched from Eis Sport to AA with my Fabspeed x-pipe and HFC's it sounds awesome. Deeper at idle than the Eis, but soon as you step on the gas it changes to way more high pitch than the Eis.
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