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Under spoiler?
I changed the oil on my wife's 2000 Pontiac Sunfire today.
It has a rubbery/plasticy flap that sticks DOWNward from under the front bumper.
Is this an aerodynamic thing to diver air around the car better?
Does anyone know if that is what this device does, or if it has a proper name?
Does adding one to a car that doesn't have one do anything?
-Ben
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