Hero image 0 of AEM 21-477C Gun Metal Cold Air Intake System Fits Select: 2004-2005 SUBARU FORESTER, 2004-2005 SUBARU IMPREZA WRX STI, 0 of 9

AEM

AEM 21-477C Gun Metal Cold Air Intake System Fits Select: 2004-2005 SUBARU FORESTER, 2004-2005 SUBARU IMPREZA WRX STI

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AEM 21-477C Gun Metal Cold Air Intake System Fits Select: 2004-2005 SUBARU FORESTER, 2004-2005 SUBARU IMPREZA WRX STI
Designed for select Subaru WRX, WRX STI, Forester Turbo, and Saab 9-2X models
Replaces factory air intake to boost horsepower and torque
Relocates air filter to passenger-side wheel well for cooler air intake
Oversized AEM Dryflow synthetic air filter—oil-free, washable, and reusable
Filter provides up to 100,000 miles before cleaning is needed (depending on conditions)
Mandrel-bent aluminum intake tube with durable gunmetal gray powder-coated finish
Engineered to work with factory emissions components including mass air flow sensor
Improves throttle response and engine sound
Dyno-tested and tuned for optimized performance
Backed by AEM’s Lifetime Limited Warranty

Specs

Vehicle model
AEM-21-477C
Vehicle make
Saab
Vehicle mount location
Rear
Vehicle fitment type
Specific
Automotive parts division
Direct Replacement
Brand
AEM

Current price is $421.95

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Product details

Enhance your vehicle’s performance with the AEM 21-477C Cold Air Intake System, designed to improve horsepower and torque by replacing the restrictive factory air intake setup. Engineered, tuned, and dyno-tested for select Subaru Impreza WRX, WRX STI, Forester Turbo, and Saab 9-2X models, this system delivers improved airflow and engine efficiency. The oversized AEM Dryflow air filter—constructed from oil-free synthetic media—is washable, reusable, and capable of lasting up to 100,000 miles before cleaning is needed, depending on driving conditions. To help reduce intake air temperature, the air filter is relocated to the passenger-side wheel well, drawing in cooler air for enhanced power gains. The system features a mandrel-bent aluminum intake tube finished in a durable gunmetal gray powder coat and is built to accommodate factory emissions control components, including the mass air flow sensor.

AEM 21-477C Gun Metal Cold Air Intake System Fits Select: 2004-2005 SUBARU FORESTER, 2004-2005 SUBARU IMPREZA WRX STI
Designed for select Subaru WRX, WRX STI, Forester Turbo, and Saab 9-2X models
Replaces factory air intake to boost horsepower and torque
Relocates air filter to passenger-side wheel well for cooler air intake
Oversized AEM Dryflow synthetic air filter—oil-free, washable, and reusable
Filter provides up to 100,000 miles before cleaning is needed (depending on conditions)
Mandrel-bent aluminum intake tube with durable gunmetal gray powder-coated finish
Engineered to work with factory emissions components including mass air flow sensor
Improves throttle response and engine sound
Dyno-tested and tuned for optimized performance
Backed by AEM’s Lifetime Limited Warranty

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Specifications

Vehicle model

AEM-21-477C

Vehicle make

Saab

Vehicle mount location

Rear

Vehicle fitment type

Specific

Warranty

Warranty information

Covered by Manufacturer's Warranty

Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.

Warranty url

https://www.nosoemparts.com/pages/returns

Warnings

WARNING: This product may contain chemicals which are known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov