AEM Cold Air Intake Polished Subaru WRX / STI 2006-2007 | 21-477P 370Z_2009-2020 but it's really that easy

but it's really that easy

a CFD-designed velocity stack leads to an unique air flow straightener grid designed to smooth the incoming air flow as it passes the Mass Air Flow sensor for precise readings

you will need this catback adapter by our friends at GrimmSpeed

and aggressive street performance

Part Number: SU303H

AEM Cold Air Intake Polished Subaru WRX / STI 2006-2007 | 21-477P 370Z_2009-2020 but it's really that easyThe AEM 21 477 Performance Cold Air Intake System produces horsepower and torque gains by replacing your vehicle's restrictive factory air filter and air intake housing. This air intake system was designed, tuned and dyno tested to fit specific Subaru Impreza WRX WRX STI, Forester Turbo and SAAB 9 2X models. Air enters the system through an oversized AEM Dryflow synthetic washable air filter for outstanding air flow, filtration and performance. The