So today on our 2015 Chevrolet Silverado 3500, we're going to be installing Firestone's Ride-Rite RED Label Extreme Duty air helper springs for the rear axle. It's a double-convoluted design, which has a higher burst pressure than your traditional design. The airbags sit between the frame and your axle to help provide load-leveling support. What's nice about airbags that sets them apart from other… see more >