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I don't see how they could improve upon what's already available, except that the Iceman uses plastic instead of aluminum making it a better insulator against the heat. The intercooler should keep them about the same temperature by the time it reaches the engine though.
I don't see any reason for them to want or need to mess with the battery tray. This is starting to sound more and more like bad info, this is what they had to do to the 1st gen. Neons to get their CAI to work, move and modify the battery tray.