This air intake system was developed to accommodate the engine's factory emissions control devices including the mass air flow sensor and crank case breather hose. View the 21-800C vehicle applications to determine the legal status for each vehicle. Increased horsepower Easy to install using commonly available tools Laps Lazul Earrngs Navy Blue Gemstone Cube Earrngs | Etsy The AEM 21-800C Performance Cold Air Intake System produces horsepower and torque gains by replacing your vehicle's restrictive factory air filter and air intake housing. This... Garneski Air Conditioning & Heating - Sterling, VA The air filter is relocated to the front of your car near incoming air to reduce intake air temperature and increase horsepower. Tuned and dyno-tested to improve acceleration and engine sound Aem 21-800c Cold Air Intake System Cleaner AEM 21-800C Cold Air Intake System Best Cold Air Intake System The air intake system is easy to install with commonly available tools and it is backed by AEM's Lifetime Limited Warranty. Some AEM air intakes are not legal for sale or use in California and other states adopting California emission standards, while others are 50 state legal. Air enters the system through an oversized oval AEM Dry flow synthetic washable air filter for outstanding air flow, filtration and performance. The AEM 21-800C Performance Cold Air Intake System produces horsepower and torque gains by replacing your vehicle's restrictive factory air filter and air intake housing. The oval shaped AEM Dry flow air filter is made from an oil-free, synthetic filter media that can be used for up to 100,000 miles before cleaning is needed (depending on driving conditions).