Boost your engine’s performance with the AEM 21-851C Cold Air Intake System. Designed to maximize airflow, this intake system replaces the restrictive factory air intake housing, allowing your engine to breathe easier. With extensive tuning and dyno testing, this system is engineered to deliver a noticeable increase in horsepower and torque.
Key Features
**Air Filter**: The cone-shaped AEM Dryflow air filter is made from a durable, oil-free synthetic material, allowing for up to 100,000 miles of use before cleaning is required (depending on driving conditions).
**Heat Shield**: A custom-shaped heat shield with edge trim lining is included to protect the intake from engine bay heat, ensuring cooler air intake for better performance.
**Construction**: The intake tube is crafted from mandrel-bent aluminum, finished in a sleek gunmetal gray powder coat for durability and style.
**Warranty**: Backed by AEM’s Limited Lifetime Warranty, you can trust the quality and performance of this intake system.
**Legal Compliance**: Please note that some AEM air intakes are not legal for sale or use in California and other states with similar emissions standards. Check the vehicle applications for specific legal status.
Specifications
Estimated Horsepower Gain: 7.7 HP @ 6002 RPM
Horse Power Increase: 8 HP
Weight: 7.4 lb (3.4 kg)
Air Filter Color: Red
Air Filter Material: Non-woven Synthetic
Intake Pipe Color / Finish: Gunmetal Gray
Clamp Material: Stainless Steel
Clamps Included: 3
Mass Air Flow Sensor Adapter Included: Yes, when required
Replacement Filter: 21-203DK
Street Legal in All US States: No
Warranty: Limited Lifetime
Fitment Information
This cold air intake system is designed to fit a variety of vehicles. Be sure to check the specific applications to ensure compatibility with your vehicle model.
Customer Insights
Users have reported a noticeable improvement in throttle response and acceleration after installing the AEM 21-851C. Many appreciate the easy installation process and the sleek look of the gunmetal gray finish. The washable air filter is a favorite feature, allowing for long-term use without frequent replacements.
Important Notes
California Air Resources Board Exempt: No
WARNING: Cancer and Reproductive Harm – www.p65warnings.ca.gov
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