Mystery Stuff Please Help
 

Ok, I'm almost done putting everything back on the car, but I had a few questions first.

1. This guy below, what is it, where does the end go to? The first picture is of the pipe, second is where one end goes, but I don't know where the other end goes? I think it's for emissions, but I don't have cats anymore and no smog pump. If it is for emissions, should I block it off? Or is it ok to just hook it up as is? Is it a vacuum leak?
The Pipe:
http://www.bigboosting.com/hosted/huh1.jpg

Where one end bolts to:
http://www.bigboosting.com/hosted/huh2.jpg

2. As the picture says, what is this and where do the two hoses that come off of it go to? I can't find them on the hose diagram.
http://www.bigboosting.com/hosted/huh3.jpg

3. In this picture below, this nipple on the hose diagram, there is an arrow going to it that says "MT" and it looks like it's supposed to be capped off and I assume MT stands for Manual Transmission, so I have a Manual Tranny, do I need to cap this off? I used to have an Automatic, so when I had the swap done, they didn't cap it off. Just making sure.
http://www.bigboosting.com/hosted/huh4.jpg

4. Finally, in this picture, on the hose diagram also this says MT, but it has some symbol going to it as well...I think this needs to be blocked off...does it?
http://www.bigboosting.com/hosted/huh5.jpg

Any help would be greatly appreciated. Thanks guys!
Erica

Re: Mystery Stuff Please Help
 

That is the air injection pipe for the stock cat. If you no longer have cats you should block it at the manifold.


That is the purge control solenoid; it vents the vapor canister to the manifold. One goes to a hard line from the charcoal canister and the other goes to the front of the UIM.



It's unused. Cap it.

That is for the double throttle solenoid and there should be a small filter on the end of the hose. If that is in fact a check valve remove it and replace it with a small filter.

You rock, thanks!