Hole in the hood

Hi Jack, I hope all is well.
Oddly enough there are no port dividers in the runners and no pop off valve....
The bolts go in the “void” area below
the blower but outside of the plenum.

View attachment 1715492235 View attachment 1715492236 View attachment 1715492237 View attachment 1715492238 View attachment 1715492239 View attachment 1715492240 View attachment 1715492241 View attachment 1715492242
Hi Jack, I hope all is well.
Oddly enough there are no port dividers in the runners and no pop off valve....
The bolts go in the “void” area below
the blower but outside of the plenum.

View attachment 1715492235 View attachment 1715492236 View attachment 1715492237 View attachment 1715492238 View attachment 1715492239 View attachment 1715492240 View attachment 1715492241 View attachment 1715492242
wow that manifold looks Burl is there a manufacturer's name on it