x4
Used mainly in drag racing, putting holes in the rear bumper alows the high pressure air to escape, which would usually be trapped behind the bumper at high speed. Ie, it slightly reduces drag.
they are retard holes, when you see those holes on a street car you know the owner is retarded. it saves you from accidently starting up a conversation with them
www.lozzz.com - car spotting, food and other random crap from Japan
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