Need help quick please

I'm putting my maf calibrator in my truck and I have it all wired in but now I need help to hook up the vaccum hose because it's supercharged and can't find the right hose to hook up, I tried looking at other threads to find it but no other people have it for forced induction. If someone could please help and tell me which hose would be greatly appreciated.

 

I would ASSUME the boost port on the back of the blower with the orange cap?

lemme make some calls

 

That's what I think but I don't know if that would mess with the boost gauge or not