I have the LS system on my 2017 Newmar.
It works as designed. Definitely takes the sway and body roll away.
The back end of our rig rides smooth and quiet, no squeaks.
Our reason of course was the handling of the rig. I am able to take 2 lane road curves now at speed, no need to slow down.
As far as expense, I hesitate to mention a cost, the $18 to $20K price listed is high. I had mine installed at the LS factory, I am not sure what independent installers are charging - it is very labor intensive to install.
They now have an LS system for the front end - then the above mentioned price would be more realistic for front & rear.
My view - If you use your rig for summer vacations, and weekend trips, not sure this would be worth the expense. If you use your rig for extensive trips and long drives - it would definitely help your comfort level.
BTW - contact the factory direct. They will give costs and you can go from there. If you are in Central Indiana or can make it there, they gove factory tours.....the place is amazing.
Angie & Glenn and Haddington the Airedale pup.
2017 Newmar Canyon Star 40', FMCA - Home based in the Heartland of America: Brownsburg, In 🌽🌽 🏁 Retired Army Sergeant Major
My home town: Brooklyn, New York