Mid to high 13s on stock pulley yes, more towards mids if he has headers, Meth, and HPTuner. If he has slicks I could go for the 13.2...Maybe, but I would believe it more if he said something like 13.5 @ 99 or something along those lines.
Oh yeah 6400 on stock top end...no way.
He does seem to know his stuff, although his grammar is severely lacking