The new XStream Series Motocross High-Flow Air Filter is here for all 2009 Honda CRF450R models.
Press Release
The “NEW” XStream Series Motocross High-Flow Air Filters (HA-4509) are performance designed to provide increased airflow, resulting in increased horsepower and torque.
The specially pleated media provides a large filtration area offering long service intervals and excellent filtration. This two-piece designed filter fits specifically into your OE Air Box Assembly, with easy installation & removal. Pliable application specific sealing beads ensure an air tight fit against the backing plate.
Here are some of the features:
• Injected with the highest quality urethane offers a positive seal and extra long life.
• No cutting or fitting required.
• These filters are washable & reusable, pre-oiled and ready to race.
• Fuel management modifications are not necessary to obtain increased performance
• Covered by the K&N Limited Warranty™ for One-Year
• Made in the USA for over 40 years
Key 2009 Updates:
• Integrated tongue and groove designed top seal
• Tri-Star injection molded top improves strength
• Deep pleats for increased dirt capacity in extreme conditions
• Pliable, double-beaded lip for positive base seal






