Here is the hitch:
http://www.hitchsource.com/mazda-trailer-hitch-0409-class-p-27341.html
Here is one badass bike rack (seriously this thing will be good for my next 3 cars):
http://www.bikerackshops.com/TU912K.html
I have read the entire thread and nowhere did I see PG specify the details of their IC and the full kit pricing. I did see where they posted what sizes would fit with their piping.