A.J. - head over to
https://www.etrailer.com/?gclid=Cj0K...H8MaAjX-8P8HAQ. They will have all the info you need.
At minimum you'll need:
1. Base plate. $450
2. Wiring harness for the toad from the coach. $80
3. Supplementary brake system. $950
4. Tow Bar. $650
And then the install. About $500.
Hope that helps.