There are a ot of good parts coming out for these cars. A combination of intake and exhaust has been shown to produce nice gains. Check out Injen’s Genesis 2.0L Turbo CAI. Its available in both Polished and Black.

Injen Technology continues to lead the way, delivering “World Class Performance Intakes”. Injen’s patented MR step-down process and Air Fusion come together to give you the first pre-tuned, twin, cold air intakes engineered for your 370Z. The all-new SP1989P keeps raising the bar as the only “Tuned Cold Air Intake System” on the market capable of producing up to 15HP and 11ft/lbs of Torque.