AEM 08-11 WRX/STi Wrinkle Red Cold Air Intake Fuel Delivery>Fuel Pressure Regulators X-Series Gauges are contained in

X-Series Gauges are contained in a standard 2-1/16th-inch (52mm) diameter housing for mounting in a standard gauge pod

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

Bolt Pattern: 5x112

view AFR or Lambda from X-Series Wideband Controllers or 4-Channel Wideband Controllers

mesh aesthetic to its forged counterpart

AEM 08-11 WRX/STi Wrinkle Red Cold Air Intake Fuel Delivery>Fuel Pressure Regulators X-Series Gauges are contained inThe 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