My two cents is that you would have to increase the over cab height to have any room up there. Narrower chassis and higher bunk do not make for better stability or drivability. Plus, most of those narrow e450 25ft+ class C units sleep 6 without the o...
I have a 2013 Viper 29VHere's the short list:Steel cage/ instead of aluminum or woodAzdel in the walls and ceilinglower profile than a standard CNo over cab bunk/wind trap29 ft3 slidesWalk around queenplenty of storagePlenty of extra cargo carry capa...