Ok cool, this would be the gradual slope I was thinking about that I can't do to the pup because it would make to long. So another thing I saw was small "bumps" placed a few inches apart along the leading edge to kinda force the air to follow the contour down. Have any of you seen something like this. Those bumps sorta looked like the clearance lights on a HD truck but closer together.
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Some day in the future I will get 12L/100Kms out of my Ram 2500
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