Firestone air bags on mine. No compressor required. Get a low pressure hand pump (Harley Davidson makes a nice one) and save a few hundred bucks. I only have to top off the air a couple of times a season.
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.