how much of a pain in the ass is it gonna be to put this manifold on..i have had it for 2 weeks and i want to get the damn thing on..i got it off a friend..he took it off his wrecked gsr and left the throttle body,coolant line,and all the wire hook ups? is there anything else i need..b/c i wanna get the damn thing on..help me out if you have any ideas thanks