Thread: bumper vents
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Old 01-18-2010, 10:09 AM   #2 (permalink)
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In a similar thread, I remember a post from Phil (Aerohead) mentioning that the area under your car isn't really acting as a parachute for air, rather dragging along a stagnant bubble, keeping actual flow away from parts inside the bubble.

The thread discussed the uses and potential benefits of "speed holes".
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