You can also drill & tap the rear of the plenum use barbed fittings or push lock vacuum hose. Both work fine. I’ll just drill & tap mine this winter because it’s not hard & it’s a bit cheaper.
When I ported my intake, I also removed the egr boss inside and welded up both holes, then drilled the top one and tapped it to1/4" pipe, and use that for my brakes. Or drill and tap a block off plate.
TIMINATOR