STAY AWAY FROM THE SOURCE AT THE BACK OF THE INTAKE MANIFOLD.
leave the MAP and FPR entact, clean and free of other connections. these effect how your truck runs, and the more stuff there the more chance of it leaking and/or effecting something important.
The front manifold is considerably less important, and the brake booster it big enough to supply all you need.
Id reccomend a brake booster fitting for the best source, but you can t off the front source for one or two things.
I changed my setup considerably.
MAP, FPR, Boost gauge, and boost controller all have their own dedicated sources, and my bov pulls from the front source.
MAP - source 1 on jessie's brake booster fitting
FPR - rear manifold
Boost Gauge - source 2 on jessies brake booster fitting
Boost Controller (reference line) - source 3 on jessies brake booster fitting
Boost Controller ( line to feed wastegate) - turbo
BOV - t'd off the front manifold harness
EGR and Vacuum ball deleted...
Dont use the bottom throttle body source for anything except stock use.