Cold Air Inductions Inc. 501-0873 Cold Air Intake System Increases horsepower, torque, and can improve fuel economy Washable lifetime use performance air filter (replacement filter available, part # CF-9350) Insulated air box reduces heat soak, and cooler air means better performance. Our CAI is a high quality aluminum construction which has been TIG welded by hand, powder coated for a great looking and durable finish, and is 100% made in the USA. 100% Bolt-on, no other modifications or tuning required Easily removable lid with inspection window for instant viewing of your air filter. All fasterners are stainless steel, and are self contained and spring loaded to make access to the filter quick and easy.