When I installed our generator, I went with oversized pipe and all the way to the back of the trailer, out the right corner. Then I install a GenTuri to get it above the roof line.
2021 Ram Limited, 3500, Crew Cab, 1075FTPD of Torque!, Max Tow, Long bed, 4 x 4, Dually,
2006 40' Landmark Mt. Rushmore