AEM Cold Air Intake System 21-478C

Boost your driving experience with the AEM Cold Air Intake System 21-478C, meticulously crafted to enhance horsepower and torque for your Subaru WRX or STi (2008-2014). This intake system not only promises performance but also ensures long-lasting reliability and ease of maintenance.

Key Features

• Performance Boost: Guaranteed increase in horsepower and torque, giving your vehicle the power it deserves.
• High-Quality Construction: Features a mandrel-bent aluminum intake tube paired with an oversized DRYFLOW synthetic air filter for superior airflow and filtration.
• Efficient Filtration: The oil-free DRYFLOW filter can be cleaned every 100,000 miles under normal highway driving conditions, making maintenance a breeze.
• Easy Installation: Designed for a straightforward installation process, typically completed in under 90 minutes using simple hand tools.
• Lifetime Warranty: Backed by the AEM Lifetime Limited Warranty, ensuring peace of mind with your purchase.
• Warranty Safe: This system will not void your vehicle's warranty, allowing you to upgrade without worry.

Specifications

• Estimated Horsepower Gain: 36 HP @ 5300 RPM
• Replacement Filter: 21-2129D
• Air Filter Color: Red
• Air Filter Material: Non-woven Synthetic
• Air Filter Outlet Shape: Round
• Clamps Included: 2
• Clamp Material: Stainless Steel
• Clamp Style: Worm Gear
• Couplers Included: 1
• Product Style: AEM Cold Air Intake System
• Intake Pipe Color / Finish: Gunmetal Gray
• Intake Pipe Material: Aluminum

Fitment

• Subaru WRX | STi (2008-2014)

Customer Reviews

Many users have praised the AEM 21-478C for its noticeable performance improvements. One satisfied driver mentioned, "The installation was straightforward, and I immediately felt the difference in acceleration. The sound is aggressive yet refined, making my driving experience much more enjoyable."

Another reviewer noted, "I love how easy it is to maintain the filter. I haven't had to clean it yet, but knowing I can go up to 100,000 miles is a huge plus. My WRX feels more responsive than ever!"

Upgrade your Subaru with the AEM Cold Air Intake System 21-478C and experience the thrill of enhanced performance and efficiency on every drive.