So i was working on my V Max4 and found 1 fitting i dont have a clue what it is for . . . . There is a Nipple that looks like for a hose on the front of the motor , , , it is right under # 2 from the mag side right under the exhaust manifold what is this for it as far as i know nothing went to it befor , , , Realy like to know dont want it to blow up or something crazy