AEM 21-678C Performance Cold Air Intake System

The AEM 21-678C Performance Cold Air Intake System is engineered to enhance your Mitsubishi Lancer Evolution's performance by replacing the restrictive factory air filter and intake housing. This system is meticulously designed, tuned, and dyno-tested for specific Mitsubishi Lancer Evolution models, including MR and GSR variants. With this upgrade, you can expect notable horsepower and torque gains, making your driving experience more exhilarating.

Key Features

• Air Filter: Features an oversized AEM Dryflow synthetic washable air filter for superior airflow and filtration.
• Air Box: Comes with a replacement air box that helps lower intake air temperature, further boosting horsepower.
• Durable Construction: The intake tubing is made from aluminum with a sleek gunmetal gray powder-coated finish.
• Compatibility: Designed to work seamlessly with factory emissions control devices, including the mass air flow sensor and air bypass valve.
• Maintenance: The oil-free synthetic filter can last up to 100,000 miles before needing cleaning, depending on driving conditions.
• Warranty: Backed by AEM's Limited Lifetime Warranty for peace of mind.

Specifications

• Estimated Horsepower Gain: 17.0 HP @ 4100 RPM
• Weight: 9 lb (4.1 kg)
• Air Filter Color: Red
• Filter Dimensions: Height: 5.125 in (130 mm), Large End Diameter: 6 in (152 mm)
• Intake Pipe Material: Aluminum
• Intake Pipe Color: Gunmetal Gray
• Clamps Included: 5 steel clamps for secure installation.
• Street Legal: Check vehicle applications for legal status in all US states.
• Prop 65 Warning: WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov

Customer Insights

Many users have praised the AEM 21-678C for its noticeable performance improvements, particularly in acceleration. One customer noted that after installation, they could feel a significant difference in throttle response and overall engine efficiency. Another reviewer highlighted how easy the installation process was, making it a great choice for DIY enthusiasts. The washable air filter also received positive feedback for its long-lasting durability, appealing to those looking for low-maintenance options.

Fitment

This cold air intake system is specifically designed for Mitsubishi Lancer Evolution models, including MR and GSR. Ensure compatibility with your vehicle by checking the detailed vehicle applications.