Hi there,
We own a 2011 Dodge 3500, srw, Auto, 4x4, 6.8 Cumins 373 rear end. If I was to change out the axles from 373 to 410 axles. Will that make my truck strong (Legal) to pull a 40+ ft toy-hauler? - truck has 8 ply ties. Should I also install air bags? Will the brakes on the truck be okay...