AEM 08-11 WRX/STi Wrinkle Red Cold Air Intake Fuel Delivery>Fuel Pressure Regulators Attached to the heat shield

Attached to the heat shield is an aluminum coolant overflow reservoir that replaces the stock reservoir so that the air intake will fit properly

20" staggered RFX19 Gloss black

The air filter is located in the lower air box space and is protected by a heat shield which is designed to reduce intake air temperature and increase horsepower

split-spoke design with a slight concave to make for the perfect look on just about any car or SUV

AEM 08-11 WRX/STi Wrinkle Red Cold Air Intake Fuel Delivery>Fuel Pressure Regulators Attached to the heat shieldThe AEM 21 478WR 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 WRX, WRX STI, Impreza WRX and Impreza WRX STI models. Air enters the system through an oversized AEM Dryflow synthetic washable air filter for outstanding air flow, filtration and performance. The air