i would say no problem, the ul deal is cause of a safety not in useing it.
while driving.
how often do you drive with the windows open?
long enougth to charge up the house batts from the pu alt?
to power something that requires 110 ac?
most reffers even poor ones will hold cold temps for hrs.
can you bend some sheat metal? just make a cover over the top and comes down about a 1/4 wat. with suport struts. aka: miny shead thing.
as to the exhaust??? send it down through a hole in the bed and outlet at the side of the truck?? up say about half a foot above the cab??.
2006 F250 4X4 auto 6.0 short bed
2001 sunnybrook 24 ft
1984 cj7 built up a bit
kg6tgu
never too many toys, just not enought room to keep them
one dog who belives she is the master. rip 12 12 2007
12 loving years and loyal to the end.
just out having fun