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      10-20-2009, 01:54 PM   #41
Drives: 2008 m3 coup
Join Date: Jun 2008
Location: michigan

Posts: 475
iTrader: (1)

so 23 hp with just x pipe? How about the ecu? Or is more like x pipe and ecu, which is more like 23 hp and the cat back which would bring it to almost 4k..
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