Wiring for bimodal air intake

Hey guys not sure if I am in the right section ( newbe) or if anyone can help but here goes I have a vf v8 commodore it has bimodal exhaust and I have brought a second hand hsv bimodal air intake which I am wanting to wire up to open and close .it has a 2 wire plug I could wire it up to a vacuum switch but would prefer to connect so when bimodal exhaust is open the bimodal air intake opens .the flap is normally closed. Attached is a wiring diagram from hsv . Any help would be appreciated on how to go about this things I need to look out for