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Old 03-23-2008, 10:48 AM   #4 (permalink)
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Quote:
Originally Posted by fabrio. View Post
ah, a question: whats is it the utility of rails rack?

this aerodynamics elements they are used in nascar car.
" If I'm not mistaken, the vertical spoilers on the roof are there to prevent lift in the event the car gets sideways at speed "

Welcome to the site Fabrio !
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