Well, right now they Claim what, 350 HP, and they dyno at 290 RWHP. The Cobras claim 390 and they dyno very close to it. Next year they are claiming 400, but I would guess around 330 RWHP. As soon as they are out, we'll have one on the dyno to see.
The Stock Eaton Cobra belongs to a SGT in the Guard, and is very tight lipped about his mods. I got enough of a look at the dyno to see that number, but he does have the eaton and no bottle. I heard a rumor about 16lbs of boost, but he won't say.
But anyone that want't to come to Tampa I can set up all the fun you would want.