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      02-01-2017, 11:39 PM   #14
D Unit
Second Lieutenant
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Drives: 2013 x1 s28i
Join Date: Sep 2016
Location: Bay Area, CA

iTrader: (0)

These sound good to me... Seems like the most attainable/affordable one would be a custom Magnaflow. Anyone know the stock diameter piping?









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