Topper while pulling TT help MPG?
I'm curious has anyone had experience with a topper while pulling a TT? How does it effect MPG vs. no topper? I'm thinking a truck with a high topper would help make the truck/TT combo more aerodynam...
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Used to carry a small , pointed bow, rowboat on the top of a station wagon towing a TT. Bow forward. Dramatic improvement in MPG.
