how much improvement
I suspect that you'll see very little in the way of fuel economy,unless the entire nose of the JEEP were sealed with a wrap-around airdam.There's too much torture chamber still exposed to the air.Total turbulence.
The JEEP Liberty's or Cherokee's front would be an example to aspire to.Get all the air around or under the naughty bits.
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Photobucket album: http://s1271.photobucket.com/albums/jj622/aerohead2/
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