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Twistedgrim · 10-10-2012, 01:25 AM

What I would like to know is are these numbers these companies are putting out actually proven on a dyno etc. I would certainly be interested in a performance upgrade also.

10-10-2012, 01:25 AM	#11
Twistedgrim New Member Drives: 2011 BMW X3 35i Join Date: Oct 2012 Location: Texas Posts: 6 iTrader: (0)	What I would like to know is are these numbers these companies are putting out actually proven on a dyno etc. I would certainly be interested in a performance upgrade also.