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Truck undersides smoothing idea
I was looking at some of the best places to improve on my aerodynamics cheaply, and I found a couple places that note the space between the framerail and the body panels of a truck.
I have some foamboard available (2" X 8' X 4' X as many as i want) and was thinking of filling this big void.
Do you guys think this stuff is road worthy? I don't know how I would secure it up there. Any ideas on that?
Any other ideas to do with this foamboard?
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