K&N Replacement Filter For Screamin' Eagle Stage 1 High Flow Air Cleaner K&N High Performance Replacement Air Filters for Screamin' Eagle are designed for longevity and optimized performance. Engineered to be washable and reusable, they come pre-oiled for easy installation. These filters ensure enhanced airflow to boost your bike's output, marking a balance between performance gains and durability. Features: High-performance that is designed to provide increased horsepower and torque Pleated gauze that is reusable Pre-oiled and ready to install Multiple layers of woven cotton gauze offers excellent filtration Fits Screamin' Eagle airbox Measures: Top: 5 1/2 diameter Base: 6 1/4 diameter Replaces OEM 29442-99 A / B / C / D Note: Direct replacement for K&N Street Metal Hammer Intake.