I had a question about air bag suspension kits for my LML. I have a 2500HD but was wanting to upgrade the payload up to more of a SRW 3500HD and thought the air bags could help with this instead of adding helper springs. From my research it looks like the main differences with the 2500 vs 3500 SRW is the spring package, hence giving it more payload and GVWR. I occasionally tow pretty heavy, but I don’t want to go dually route because my 2500HD is a daily driver. So question is if I add air bags to the 2500HD without springs can I essentially make a 3500HD or would I still need springs in addition to the bags? What would be advantages doing the bags over the springs and vice versa. I am thinking about upgrading my 26’ flatbed with singles to duals and the GVWR of that trailer will be 25K. So I could easily overload the ratings for the GCVWR for an SRW, but the reasons for switching to duals (on the trailer) is I’m maxing out the trailer with singles right now. Pickup handles the current trailer fine but needing a little more capacity.