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Old 06-21-2009, 09:04 PM   #4 (permalink)
Master EcoModder
Join Date: Nov 2008
Location: Madison AL
Posts: 1,123

The Geo - '93 Geo Metro
Team Metro
90 day: 45.16 mpg (US)
Thanks: 30
Thanked 40 Times in 37 Posts
depends on how fast your car is...

Cars that don't finish the 1/4 in 14 seconds don't need it, most don't get over 100. 9 second cars do need aero mods, although most drag racers don't realize it/ they want their cars to look good.
Although.....funny cars need rear will skirts...
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