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SV Concepts III · 12-08-2009, 06:54 PM

There will be a marginal improvement but it overall will have no effect. Now most install it and drive the car like a madman so this would of course be an issue for MPG

12-08-2009, 06:54 PM	#8
SV Concepts III Lieutenant General Drives: BMW Duh Join Date: Apr 2005 Location: Santa Clara Posts: 17,029 iTrader: (13)	There will be a marginal improvement but it overall will have no effect. Now most install it and drive the car like a madman so this would of course be an issue for MPG