With the CAI the best thing to do is run the 87 tow until you get your custom tunes or if you aren't using the custom tunes. The tow tune runs a little richer than the performance so that helps balance out the lean condition from a CAI. Running a canned performance tune with the CAI could cause your engine to run lean and that isn't very good for it.
Canned tunes are the tunes that come with the programmer out of the box: Level 1 Transmission only, Level 2 87 Tow, Level 3 93 Performance. When you have custom tunes it will look like Custom 87 Tow or Custom 93 Performance.
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