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      11-28-2012, 10:26 PM   #9
mapleridge
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Drives: E90 N52 AT
Join Date: Apr 2011
Location: Vancouver, BC

iTrader: (4)

gopro pulled a tuck and roll. that sounds amazing. Seriously. It is the most functional way to go from dyno results I have seen and it sounds amazing. You will find out after you dyno with your different exhaust set ups but stock muffler plus cat deletes might yield the best results. After spending what I have on exhausts I wouldn't go any other way.