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      02-13-2009, 08:55 AM   #4
Burt Reynolds
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Drives: 2007 M Coupe
Join Date: Mar 2008
Location: Windy City

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Yeah- but I am running 4.10 gears (maybe you are too...not sure) and I hold a higher rpm on the hwy (3500 at 80mph) and I am nervous about headers plus straight pipes for section 1...I might have to put stock mufflers back on and I don't want to do that.
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2007 M Coupe w/NAV/Premium/Extended Leather, Clearbra, DICE, 4.10 BMW Motorsport Polished LSD, Active Autowerke Gen IV Headers, Supersprint Race Exhaust and X-Pipe, ESS Tuned DME, KWV3 Coilovers, Volk RE30, OEM Strut Tower Brace, Short Antenna, JL AMP, JL 10W7, Valentine V1.