I just installed a FWI, 180 T-stat, and AC Delco 41-932 plugs on my GTP. I have a 3.4" pulley waiting to be put on, but have no pulley puller. I got one from pep boys but it was the wrong type. So if anyone on here has one that would work I would apprecaite it if they could meet up w/me and help me swap out the stock one. 
Also if anyone has a scan tool for me car that would be cool too so I can see if I have any KR with the smaller pulley.
If I remember correctly, you can’t use a regular pulley puller to get those off. Check with SleeperGTP - I think he may know some people from the GP club that may have one.
What kind did you get? I have a three claw puller that you can try.
This might help you out if you can’t find one.
http://www.zzperformance.com/zzp/products/supercharger_pulley_puller.htm
I’m pretty sure you could just make something that would work though if you know the thread size in the snout.
dont they rent a few different types of pullers. I had trouble with the 3 arm puller. They come with a pointed tip. I grinded it off and drilled into the middle. It gripped a whole lot better. They never said anything to me about it.