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      01-08-2012, 07:17 PM   #15
Private First Class

DemonEye's Avatar
Drives: 2012 M3 Coupe ESS VT2-625
Join Date: Jul 2011
Location: Charlotte, NC

Posts: 109
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2010 135i Coupe  [0.00]
2012 M3 Coupe  [0.00]
Sounds a bit louder and meaner when you floor it. Not a huge difference though. The secondary cats and resonators still keep things under control sound wise.