buck_n_duckExplorerMay 01, 2014Increase MPGI have a 2014 GMC Sierra 2500HD with the 6.0 gas burner. I have been looking at computer programmers and air intakes. Has anyone done any of these mods and did it increase your MPG any?
Turbo_Diesel_DuExplorerMay 01, 2014You could also use a tow rope. One about 60 ft would work so you could stop in time. LOL