AEM 21-747C Cold Air Intake System Increased horsepower Tuned and dyno-tested to improve acceleration and engine sound Low restriction aluminum tubing Air filter lasts up to 100,000 miles before cleaning is required (depending on driving conditions) Washable and reusable oil-free filter media This item is not for sale in the state of California/Non-CARB compliant Increased horsepower Tuned and dyno-tested to improve acceleration and engine sound Low restriction aluminum tubing Air filter lasts up to 100,000 miles before cleaning is required (depending on driving conditions) Washable and reusable oil-free filter media