If there was any advantage to having them I assume the factory would install them. I am sure that there is nothing like having your slide stable and your trailer wiggiling around. As Crabman has mentioned an extra set of stabilizer jacks would do more good.
2011 Eagle 330RLTS with just about every option.
Dodge SRW 1 ton Cummins powered.
I was born with nothing and I still have most of it left.