GTO makes a air vent it looks like a spolier for the read of truck that will work on caps of explorer, types . Has any one tried this?? I have a cap mon my truck and the rear window gets very dirty fast.

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*2000 blk xlt f150
*5.4 4x4 3.55 ls
*sc orp pkg
*tow pkg, 17 inch wheels
*herculiner,remote start
*flowmaster, air box mod
*bfg ko's A.R.E. cap
*sony 10 disc cd player
*k&n air filter
*superchip

****mods to come*********
harley davison hitch reciver plug.
removing stock cab steps& installing westins.