07-29-2013, 11:33 AM
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#2
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Banned
Join Date: Apr 2013
Location: Gainesville,Tx
Age: 39
Posts: 2,405
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Originally Posted by DirtyD
It does help the air flow a little better under the rear of the car, but it's not going to really be noticed at all. Just gets rid of the "flat" wall causing turbulence as the air flow exits under the car.
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Here is a real diffuser.
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