I installed mine on a 2008 Ford Explorer (moved it from a 2004 Explorer). Took about 3 hours but not too difficult. SMI provides great technical assistance if you need it.
SMI did the original install on the coach and the 2004 Exp. so I only had to re-do the part on the toad.
'07 Country Coach Allure 470 Siskiyou Summit #31578, Cummins ISL 425; 2014 Ford F150 toad; Air Force One Toad Brake.
Glen Allen, VA; Smith Mountain Lake, VA.