Had a 12 hole Deerskin on an F350 dually with the camper package and extra helper springs. Also put the Bullydog package on it from the get go (with the dealer's permission) and the truck was a beast. Largest inverter available, gravity fed, and highly pressurized water, a combo microwave/toaster oven and lots of charging stations. It was great. The 45-s do have a governor, but you can override it with the Bullydog stuff. Whether your dealer honors the warranty after is up to them I drive like a mom mom, so it wasn't a problem.