Could have? What's the problem then? He would be the only current SVT with 400, I'm pretty sure. Right now...I would be VERY happy with 300. Enough to light up the tires a ton and embarrass/surprise lots of people.
1992 Eagle Talon TSi - sold (POS)
2002 Mustang GT - sold
2002 SVTF - sold
2008.5 Mazdaspeed3 GT - cursed
2003 350Z Track - basically stock, and it runs