I Would Say CAI/Tune, just because the sound will be fun and all but your looking at more money with the exhaust depending on the brand.
Current-2015, GT, Comp. Orange, Magnaflow Comp. Series Catback, JLT CAI, 93 Tune by BBR, PedalMax
Previous- 2011, V6, HP White, C&L CAI, BBK Shorty Headers, BBK Catless X-Pipe, Pypes Bomb Axel Back, 93 Tune by BBR