Some more progress...
Inlet for the airbox is in the center. Notice the tabs for the "dams". I still need to fabricate a plate to "squash" the tubes (to make them oval) under the cross member. They will be even with the bottom of the frame with the plate.
Hoses run through the radiator deflector up to the airbox.
I ran into a bit of a problem getting the long splitter struts attached to the bumper. The honeycomb section is between the bumper beam and the fascia skin. I'll have to build a bracket to do that so, I re-enforced the old mount locations inside and out. Hopefully, along with the added support from the dams, it won't flex too much!
