Don't know where to put this since I don't see a spotted thread for Iowa, but here it goes:
Spotted in Cedar Falls, IA. white 2000-2001 RS coupe. Stock from the looks of it other than tint? Heading east on University then turning South onto 27/58. I was in the Black 99 with outback wheels ahead of you, tried to slow down, but traffic got in the viewing path. Time of spotting 9:00am or so.