This is turning out to be more difficult than I thought. There is not a good place to come through the floor with my ducting... ideally, I would come up right in front of the torsion tube and it's a straight shot up the rear hump/firewall but there is too much frame and support in this area to start hacking. I would have to move forward at least a couple feet to clear everything. Imagine opening my side cargo door and seeing a pair of 6" tubes coming up out of the center of the floor and snaking back and up to the rear deck
!
No, it's not a westy. No, I don't ever plan to camp in it or haul anything but butt, but that would just look like hell.
There is a fairly good place right in front of the rear wheels but then the duct catches everything the front tires can pick up... and if they hung down very much at all (which they need to do, right?) they would really stick out.
More head scratching to do...
EDIT: New twin NACAs ordered today to replace the singles.