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Originally Posted by hat_man
I found these pics online the other day and wondered if they had any merit or not.
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You'd rather keep the slow
air bubble in the bed so the faster air flows over it.
1 and 2 look like they'll make it easier for the air in the
bubble to flow out of the bed.
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I just can't afford my re-designed bed cover yet
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Why not make your own cover out of cheap / leftover material ?
Even covering just the rear half or so will help (it's even patented
)
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The last one is just plain silly in my untrained eyes. I would think the last pic would just make a bigger "hole" behind the truck.
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Yeah, they look like they'll increase the area / wake.