I have 4.10's and just started getting 17-17.5 mpg on the interstate at 70-75 mph and only 5100 miles on the truck.
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2007.5 Mineral Grey & Light Silver, 6.7L, Auto, Quadcab, 4x4, 4.10, Laremie, Intake Baffle MIA, Tinted Windows, B&W turnover ball, with more addons in the works
