I thought of putting this in the DIY section but thought it belonged here as it is a 5th wheel question. There has been many topics of does a wing benefit towing, and when everything is take into a...
It takes about 8 more miles per gallon to tow my fiver than the truck gets without it. Even a probably unattainable, 20% increase or 1.6 mpg, in fuel mileage doesn't amount to much in the grand scheme of things.