I ran into a guy the other day that had an AirLift kit on his truck and was really happy with it. Anyone on the forum running the Air Lift kit to help raise the rear when towing?
http://shop.airliftcompany.com/product/637909/59568/_/RideControl;_Leaf_Spring_Leveling_Kit
http://shop.airliftcompany.com/product/637909/59568/_/RideControl;_Leaf_Spring_Leveling_Kit