We have an 18k Pullrite on standard rails. Rides slightly nose high but no biggee, and we pull one of those "monster" 40 footers. Overpasses are not a problem but we do have to be careful at gas stations with the high roofs over the pump islands. Been real close a couple of times. Towed with an srw 2013 Ram 3500.
2013 Ram Longhorn 3500 Crew Cab 6.7 Turbo Diesel, Aisin Transmission.
2014 Jayco Eagle Premier 351 RSTS, Mor/Ryde Suspension and Pin Box, 17.5" wheel upgrade, 18k Pull Rite hitch.