This is from another board but the numbers are very solid.
2nd Pull (bone stock) - 367 hp @ 5900 / 376 tq @ 4700
3rd Pull (no air filter) - 371 hp @ 5900 / 379 tq @ 4700
All were SAE on a dynojet
Graphs & Pics here
http://www.g8board.com/forums/showthread.php?t=10817