I have a used Injen Super SES Catted Downpipe for sale that I took of my 2007 Legacy GT.
It is a bellmouth with an O2 sensor bung.
Has about 8000 miles on it.
Fits WRX 02-06 and STI 2.5L 04-06.
Worth 495$ new online. I am located in Calgary Alberta Canada.
Make me an offer if you are interested. I will post pics if you are interested.