[EricH]

Originally Posted by StephenNutt

R31 discusses the gap between the bumper and the frame. What about the gap between one bumper and another bumper, with a gap for fuel intake between the two bumpers?

There are no restrictions on gap between bumper segments, provided that 6" of bumper is on each side of each corner of the Frame Perimeter. I find this by the fact that I see no listed restrictions on that gap.