Mine made 397 HP/371 FT-LB in completely stock form. No intake, exhaust, etc. I'll post a dyno sheet later when I get home from work.
I totally believe you. Now I know that dynos vary as far as numbers (SAE), but since 2002 I've seen a ton of dyno sheets posted. And the highest number I remember seeing (with a chart) is 399 to the wheels. Someone once reported around 405 but I don't remember ever seeing a chart to back it up. Mine, bone stock, made 365. A local friend's '04 made 393 bone stock.