You need to take out the driver seat. Make sure you get the seatbelt out first.
Then pull up on the carpet and there will be a small metal plate on the floorboard. It'll have the born date and production number.
Ok. Ok. Call Ford SVT. They'll send you the certificate that will show all the info you want, including the production number. I think the number is 1-800-FordSVT, but that's just a guess since my mind is blank right now. You can also use the nifty little search button on top and I'm sure you'll get the right number.