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MazdaMatt · 12-01-2008, 01:17 PM

i think that the side skirts give you some resistance to cross-winds corrupting the smooth air under the car. In racing, they give you some downforce because the low pressure air underneath is trapped better... take that as you will.

12-01-2008, 01:17 PM	#2 (permalink)
MazdaMatt Master EcoModder Join Date: Jun 2008 Location: London, Ontario Posts: 1,096 2k2Prot5 - '02 Protege5 90 day: 33.82 mpg (US) Thanks: 0 Thanked 5 Times in 3 Posts	i think that the side skirts give you some resistance to cross-winds corrupting the smooth air under the car. In racing, they give you some downforce because the low pressure air underneath is trapped better... take that as you will.