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      10-11-2012, 10:59 AM   #22
tws_andrew
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Drives: 550i X drive, GTR, Turbo S
Join Date: Sep 2008
Location: Salt Lake City, Ut

Posts: 68
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I am ready to pull the trigger on stage 3. Built a custom midpipe and exhaust but really with no verified times, dynos and my previous experience with Dinan being so bad this is tough. Does anyone even have any indication of speed or performance increase based on racing other cars before and after. I know it is not scientific but I need something. Lots of seat of the pants info but the only drag info was Middly and he had terrible times but that was with his cutouts and 21" wheels. Anyone...
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