We have confirmed with Roadmaster that the sway bar part # RM-1179-124 that you referenced does fit the 2016 International Trucks Terrastar chassis like what you have on your Nexus Phantom 33SC. view full answer...
The range of the Curt Echo Mobile brake controller part # C51180 is listed as 50 feet. You shouldn't have any issue with a 33 foot RV. view full answer...