If you're looking for maximum airflow at a lighter weight, then K&N airboxes are for you. Flows up to 2700 CFM and weighs in at only 3 1/2 lbs. thanks to the high-tech carbon fiber base. Completely washable and reusable, and 2 1/2" high. They are also feature a high tech fiber carbon base. Shop K&N Air Box Assemblies right here at Speedway Motors!