K&N Air Filter Ha-4509Xd

K&N Air Filters were originally pleated to increase surface area and capacity for harsh desert conditions. 40 years later, this same filter design continues to provide low restriction while offering both high performance and capacity. Updated with XD Components, K&N’s patented XStream® Series Motocross Air Filters feature revised seals, increased pleat depth, and a tri-star injection molded top for increased strength, capacity and performance.

• Designed to increase horsepower and throttle response
• Pleated media provides a large filtration area offers low restriction and high-capacity
• Multi-Layers of tightly woven “XD” cotton gauze media offers excellent filtration
• Two-piece design eases installation and removal
• Pliable, double-beaded, application specific base seal ensures a precise fit
• Fuel-Management modifications are not required for increased performance
• Washable & re-usable, pre-oiled and ready to race!
• Made in the USA for over 40 years
• K&N One-Year Limited Warranty®