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      10-15-2012, 06:59 PM   #6
Superfly_M3
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Drives: 2011 M3
Join Date: Sep 2011
Location: Toronto

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All that hp from filter and exhaust mod only???
Or is the updated sofrware has something to do with it.

Looking at the power curve, its a lot smoother and the torque hold flat a lot longer.
Good results.