Are you trying to use that space for something else?
Yeah, it's original purpose.
My filter is bolted to the rear (or some call it front) of the bed behind my tool box. The HOH lines come up through the bottom of the bed.
The HOH is my real headache. I run a remodeling business so I'm continually carting around 4x8 sheet goods, 2x material, and debris. ALL of which love to slide over by my hoses and worry me to death. I could just build a guard, but I want full bed usage.
I would love to be able to shut my tailgate when hauling sheet goods (especially OSB, that stuffs slippery) and not worry about a load shooting out the back and into the road when I hit the throttle.
I've talked to Charlie and he mounts the Racor to the frame rail and provides an access door on the floor board in the rear. There is TONS of frame rail space on my LWB but I like the heat and protection offered by an under hood mounting location. Plus I figure if I relocate the filter, I'm going to do it in "THE BEST" way possible according to me
brackets are no problem for me, I spent 8yrs as a Ground Support Mechanic (GSE) both while in the USMC and then as a civilian contractor for Lockheed Martin. I'm a master fabricator, very used to making do.