goes to the actuators on the turbos. You should be able to tee into the yellow hose..so then you can keep an eye on your boost after the controller....if you want to keep an eye on the boost..or vacuum..before the controller use the black hose
So I'm having this dream! I'm in my Z and these guys are after me, but they can't catch me...So they get a car, but they still can't catch me. So they get a plane, and just as their about to catch me....the TWIN TURBOS KICK IN!