I say save a bit more and buy both. Get the tuner and buy a cheap ebay CAI. Those are like 50 bucks. No need for the 150+ CAI. Theyre pretty much all the same.
a man's most expensive hobby started with a 97 cent hotwheels
1999 saleen s281sc vert 11k miles #261/421 built 1/170 vert 1/10 exact combo
2000 Roush v6 sport 78k miles