The Injen Evolution Air Intake System for the 2015+ Subaru STI is Injen's newest high performance intake. This intake for the 2015+ STI features a supernano web dry filter and massive horsepower and torque gains. Injen specs state this intake will provide you a +26 hp and +35.5 ft/lbs of torque gain. The enclosed airbox design offers a clean look and superior heat protection compared to traditional open element systems.
This Injen Evolution Air Intake System will replace your factory airbox and intake tube and also includes an air scoop. Your existing MAF sensor and hoses will connect to it to ensure a proper fit with no check engine lights. The impressive engineering that went into developing this intake system results in amazing performance gains. This is a must have intake for any 2015+ Subaru STI owner.