AEM 21-742C Performance Cold Air Intake System

The AEM 21-742C Performance Cold Air Intake System is engineered to unlock your Subaru Forester's potential by replacing the restrictive factory air intake setup. This system is meticulously designed, tuned, and dyno-tested specifically for select Subaru Forester models, ensuring a perfect fit and optimal performance.

Key Features

• Enhanced Airflow: Thanks to the oversized AEM Dryflow synthetic washable air filter, this intake system maximizes airflow while providing exceptional filtration.
• Heat Shield Protection: The air filter is housed in a heat shield designed to lower intake air temperature, contributing to improved horsepower.
• Durable Construction: The intake tubing is made from mandrel-bent aluminum with a sleek gunmetal gray powder-coated finish, ensuring longevity and style.
• Easy Installation: This system can be installed with commonly available tools, making it accessible for DIY enthusiasts.
• Mass Air Flow Sensor Compatibility: Designed to work with your vehicle’s factory emissions control devices, including the mass air sensor.
• Long-lasting Filter: The oil-free, synthetic filter media can last up to 100,000 miles before needing cleaning, depending on driving conditions.

Specifications

• Estimated Horsepower Gain: 23 HP @ 6600 RPM
• Air Filter Height: 5.25 in (133 mm)
• Air Filter Color: Red
• Intake Pipe Material: Aluminum
• Intake Pipe Length: 24 in (610 mm)
• Weight: 11 lb (5 kg)
• Warranty: Limited Lifetime

Fitment and Legal Status

This intake system is street legal in all US states, but it's advisable to check the specific vehicle applications to confirm its legality for your model. The CARB EO Number is D-670-24, ensuring compliance with California emissions standards.

Customer Feedback

"After installing the AEM 21-742C, I immediately noticed a difference in acceleration. The sound of the engine has a nice growl now, and I can feel the power boost when I hit the gas!"

"Installation was straightforward, and the quality of the materials is impressive. I've had it on my Subaru for a few months now, and it has performed flawlessly."

Notes

California Air Resources Board Exempt: Yes; CARB EO: D-670-24