Yes, ST2 and PD7's were a Prodrive WR Option. That's why I had them, to keep it looking original. I would still have them if they went over Brembo's.
MY99/00 WR Brochure : http://impreza.co/wp-content/uploads...r-Brochure.pdf
Yours look like Prodrive RB5 alloys painted silver instead of anthracite.