The Carli long-travel air bag system for 2013–2018 Ram 3500 4x4 provides a 1–2" rear lift and is designed around a 4.0" axle diameter, offering additional load support without sacrificing travel. Each bag is rated to support up to 2,000 lb at 100 psi and the system accommodates up to 12" of rear travel. It's positioned as a way to increase payload capacity while maintaining suspension performance when properly integrated with compatible lift components.
Carli 13-18 Ram 3500 4x4 Long Travel Air Bag System 1-2in Rear Lift 4.0in Axle Diameter