I finally decided to make the upgrade to see if I can remedy the sway issue I have when the camper is loaded. I ordered the Hellwig Bigwig anti-sway bar for the rear of my 2015 Chevy 2500HD, 4X4, l...
I might have held it up with a floor jack while bolting it up. Do not tighten anything until you have everything lined up. pay extra care that the new hardware don't touch any brake lines (or wires) on the rear housing.
Now if Hellwig would just come up with a good disconnect system :). I pulled mine off my 2015 (to install on my 18) and it seem to ride better empty without the sway bar. (but it hardly ever gets driven empty :) )