I have a 43 foot toyhauler and use airlift 5k bags. Very happy with them. Take an hour to install and with the wirelessair it's A no brainer to adjust them
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2006 5.9 2500 Regular Cab 4x4 auto SLT. Leveling kit, Debadged, AFE Pro-dry Intake, Quad Boost Fooler, AirLift 5k bags, ATS Exhaust Manifold, Second Gen Intake Horn, Full Dipricol Gauges, Glock 36 Security System, Boss Gooseneck Hitch, Tekonsha P3, Flashtech HID's, Wheland 6 way strobes, 5" FBD turbo back, Zapco 360.4 w/Bostons.