K&N Engine Air Filter: High Performance, Powersport Air Filter, BU-9003
Product Description
K&N Engine Air Filter: High Performance, Powersport Air Filter, BU-9003
- ENGINEERED POWER: Increases performance by delivering high airflow that can help improve horsepower, acceleration, and engine response without typically requiring fuel-management modifications.
- PREMIUM ENGINE PROTECTION: Layers of premium cotton gauze treated with a specially designed tacking agent work to trap dirt & contaminants.
- WASHABLE & REUSABLE: K&N pre-oiled washable filters offer a longer service life, helping reduce replacement costs while supporting extended maintenance intervals.
- PRECISION OEM-STYLE FIT: Made with application specific seamless sealing beads and custom seals for easy installation (Where Applicable).
K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for virtually every vehicle on the road. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop-in design means adding performance is simple. With most vehicles you simply remove the disposable air filter and replace it with a K&N. See applicable instruction sheet for details. Our stock replacement air filters for street vehicles are covered by our famous K&N Million-Mile Limited Warranty and will be THE LAST AIR FILTER YOUR VEHICLE WILL EVER NEED.








