Bite me for reviving this thread... but just wanted to point out that the colder the air, the higher the density, and in turn the more air you can effectively squeeze in. When the air is finally warmed up, whether in or nearing the turbo, there would be more occupying the same space; higher psi. To keep from wrecking your turbo you'd need to compensate with opening the wastegate more, and then you're dumping a portion of the shot anyway... Only reasonable option would be a wet kit, but even then you have the same pressure spike, this time on engine internals. And this would be assuming NO2 is consistent, which it is certainly NOT.
The question becomes, are you comfortable with shocking either the engine internals or turbo, with a quick unpredictable pressure increase? I sure as hell wouldn't be, especially with my budget.
There's my .02...