AEM Cold Air Intake System 21-474P for Subaru Impreza WRX 2002-2005, Polished Aluminum

AEM 21-474P Cold Air Intake System

The AEM 21-474P Cold Air Intake System is engineered to enhance the performance of your Subaru Impreza 2002-2005. By replacing the factory air filter and intake housing, this system aims to provide noticeable gains in horsepower and torque. One of the standout features is the oversized AEM Dryflow synthetic washable air filter, which is designed to optimize airflow while ensuring excellent filtration. Customers have reported feeling a significant difference in engine responsiveness after installation.

Installation of the 21-474P involves relocating the air filter to the passenger-side wheel well, which helps to lower intake air temperature. This relocation is appreciated by users who have noted improved performance, especially during spirited driving. The intake tubing is made from durable mandrel-bent aluminum with a polished finish, giving it a sleek look under the hood.

Features and Benefits

• Air Filter Material: Non-woven Synthetic
• Washable Filter: Yes, can last up to 100,000 miles before cleaning
• Mass Air Flow Sensor Adapter: Included when required
• Mounting Hardware: Comes with all necessary mounting hardware
• CARB EO Number: D-670-15, making it street legal in all US states
• Warranty: Backed by AEM's Limited Lifetime Warranty

Technical Specifications

• Weight: 6.2 lb (2.8 kg)
• Intake Pipe Material: Aluminum
• Intake Pipe Length: 21 in (533 mm)
• Air Filter Height: 5.125 in (130 mm)
• Air Filter Diameter: 6 in (152 mm)
• Clamp Material: Steel, with a natural finish

Customer Feedback

Many users have shared their satisfaction with the AEM 21-474P, stating that the installation was straightforward and the performance gains were immediately noticeable. One customer mentioned, "I could feel the difference in throttle response right away, and the engine sounds much more aggressive now!" This product has become a popular choice among Subaru enthusiasts looking to enhance their vehicle's performance without compromising on quality.

Overall, the AEM 21-474P Cold Air Intake System is a reliable option for those wanting to boost their Subaru's performance while enjoying the benefits of a washable air filter and a product that's backed by a solid warranty.