I have a 2016 Mega Cab SRW 3500 with the factory air assist. I really like it and I won't go back to the standard system. All I can wish for is that they improve on it as far as options. On the 3500 it is a hybrid system. The suspension is still basically the same as the standard system it just has air springs added to bring the loaded truck back to original ride height. It also takes away the bounce when loaded heavily. I only wish they had it set up like the 2500 which is full air (no steel springs) on the rear and then give a manual mode and auto mode. I have a 2005 2500 that I put full air under the rear and it's the cat's meow to be able to dump the air completely when loading and unloading out of the truck. I can literally put the tailgate at the height the bumper is normally at which is around 30" off the ground when normally 40".