AEM 08-11 WRX/STi Wrinkle Red Cold Air Intake
AEM 08-11 WRX/STi Wrinkle Red Cold Air Intake
AEM 08-11 WRX/STi Wrinkle Red Cold Air Intake
AEM 08-11 WRX/STi Wrinkle Red Cold Air Intake
AEM 08-11 WRX/STi Wrinkle Red Cold Air Intake
AEM 08-11 WRX/STi Wrinkle Red Cold Air Intake
AEM 08-11 WRX/STi Wrinkle Red Cold Air Intake
AEM 08-11 WRX/STi Wrinkle Red Cold Air Intake
AEM 08-11 WRX/STi Wrinkle Red Cold Air Intake
AEM 08-11 WRX/STi Wrinkle Red Cold Air Intake
AEM 08-11 WRX/STi Wrinkle Red Cold Air Intake
AEM 08-11 WRX/STi Wrinkle Red Cold Air Intake
AEM 08-11 WRX/STi Wrinkle Red Cold Air Intake
AEM 08-11 WRX/STi Wrinkle Red Cold Air Intake
AEM 08-11 WRX/STi Wrinkle Red Cold Air Intake
AEM 08-11 WRX/STi Wrinkle Red Cold Air Intake
AEM 08-11 WRX/STi Wrinkle Red Cold Air Intake
AEM 08-11 WRX/STi Wrinkle Red Cold Air Intake
AEM 08-11 WRX/STi Wrinkle Red Cold Air Intake
AEM 08-11 WRX/STi Wrinkle Red Cold Air Intake
AEM 08-11 WRX/STi Wrinkle Red Cold Air Intake
AEM 08-11 WRX/STi Wrinkle Red Cold Air Intake
AEM 08-11 WRX/STi Wrinkle Red Cold Air Intake
AEM 08-11 WRX/STi Wrinkle Red Cold Air Intake
AEM Induction

AEM 08-11 WRX/STi Wrinkle Red Cold Air Intake

AEM21-478WR

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The 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 filter is located in the original air box space and is protected by a heat shield which is designed to reduce intake air temperature and increase horsepower. The intake tubing is constructed from mandrel-bent aluminum featuring a durable textured red powder coated finish. This air intake system was developed to accommodate the engine's factory emissions control devices including the mass air flow sensor. The cylinder shaped AEM Dryflow air filter is made from an oil-free, synthetic filter media that can be used for up to 100,000 miles before cleaning is needed (depending on driving conditions). The air intake system is easy to install with commonly available tools and it is backed by AEM's Lifetime Limited Warranty. Some AEM air intakes are not legal for sale or use in California and other states adopting California emission standards while others are 50 state legal. View the 21-478WR vehicle applications to determine the legal status for each vehicle.

This Part Fits:

Year Make Model Submodel
2011 Subaru Impreza 2.5i
2011 Subaru Impreza 2.5i Premium
2011 Subaru Impreza Outback Sport
2008-2014 Subaru Impreza WRX
2010-2014 Subaru Impreza WRX Limited
2009-2014 Subaru Impreza WRX Premium
2008-2014 Subaru Impreza WRX STI
2011-2014 Subaru Impreza WRX STI Limited
2010 Subaru Impreza WRX STI Special Edition

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