I'd like to think so, and objectively, you'd have to think so, but anything can happen...
In the past, despite whatever performance I saw at home, I'd say no because Vermeil-coached Chiefs teams could not translate such performances to the road. But Herm has installed a certain level of discipline that, at least so far, has proven to get the players ready to play on the road.
One thing with the Chiefs defense is that it's not yet able to consistently get pressure on the quarterback with four rushers. They did a good job yesterday, and the Cardinals O-line is probably as bad/worse than the Niners in pass protection, but I'm still more of a pessimist than an optimist in that area.
Committing linebackers and safeties to the blitz concerns me facing a team with the kind of wide receiver duo Arizona has, whether or not Leinart could hit the back side of a barn from 20 yards away.
I saw someone mention in another thread how Leinart will "be in for a rough day". I'd like to think that his numbers will be poor and that the personal and team success will reflect that, but I don't think he has anything to worry about in terms of getting hit *too* much. The Chiefs are really hitting people in the open field and punishing a lot of running backs, but need to generate more of a pass-rush.
Tamba "reach" Hali and Jared Allen look to be a pair of very, very solid bookends but the tackles are solid yet underwhelming.