if your talkin bout what i think your talkin about their there for letting the excess air out of your bumber area. some of the air that travels under your car can get caught in the rear bumper and add resistance.Originally Posted by hchbdx94
heres one that i could find a pic of but most have like 6 or so oval holes. i just couldnt find a pic.
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heres one that i could find a pic of but most have like 6 or so oval holes. i just couldnt find a pic.

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