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.