Bob,

I've installed the Air Force One system in a 2011 Jeep Grand Cherokee and 2012 Ford Explorer, both pretty straight forward installs. FWIW, the M&G system would not have fit either of these vehicles. I did not do the install on the part that goes on the coach because I'm not crawling under it. On this bus and my Beaver Contessa it cost less than $200 to have someone do the on coach installation. I also installed the Roadmaster base plates in both. My preference is Roadmaster over Blue Ox. Others will lean toward Blue Ox.

Without supplemental braking yoiur coach will have more weight to stop. I don't think it makes a big impact on brake wear on the coach simply because the supplemental braking systems shouldn't be braking as hard as the coach. The last thing you want is to have the towed vehicle braking so hard that it's attempting to stop the bus.