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      07-28-2014, 12:10 PM   #3
BrewRifle
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Drives: 2011 MCB E92 M3
Join Date: Jun 2013
Location: Austin, Texas

iTrader: (4)

Garage List
2011 BMW M3  [7.56]
2013 BMW X3 35i  [0.00]
2009 BMW 135i  [8.00]
I ran something similar (GT2+ AA HFC X-pipe) and it was 10x louder than the GT2 by itself. I took it off 3 days after installing it so I'm back on stock cats.
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2011 Monte Carlo Blue E92 ///M3 - ESS VT2-625

Last edited by BrewRifle; 07-28-2014 at 01:18 PM..
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