Put them on after a summer trip two years ago. Helped out this past summer with smoothing out the ride and leveling my truck with the trailer attached. A good addition.
2012 Sandstorm 34ft 5th Wheel Toy Hauler 3215
2012 Chevy Silverado 2500HD Duramax Crew Cab 4X4 Long Bed
NASCAR Camping 2014: 8 nights (Fontana & Sonoma)
Indy Camping 2014: 3 nights (Fontana)
Camping KOA's 2014: 27 nights