K&N Engineering knnHD-0900 High-Flow Air Filter for 1988-2012 Harley-Davidson Sportster

The K&N High-Flow Air Filter for Motorcycles is engineered to increase airflow for improved horsepower, throttle response, and acceleration while providing increased engine protection. Built with premium oiled cotton gauze, this washable and reusable air filter is designed for long-lasting performance, a precision OEM-style fit, and durable construction to keep your motorcycle performing ride after ride. The K&N High-Flow Air Filter for Motorcycles is engineered to increase airflow for improved horsepower, throttle response, and acceleration while providing increased engine protection. Associated products: 99-5000 Filter Care Service Kit Aerosol

• PRECISION OEM-STYLE FIT: Made with application specific seamless sealing beads and custom seals for easy installation (Where Applicable).
• Pleated media provides a large filtration area offering long service intervals
• Multiple layers of woven cotton gauze media offers excellent filtration
• Designed to provide increased horsepower and torque
• Washable & reusable, pre-oiled and ready to ride
• Application specific base seal and sealing bead
• No-Hassle Lifetime Limited Warranty
• Made in the USA for over 40 years

Upgrade your motorcycle’s intake performance with the K&N Engineering knnHD-0900 High-Flow Air Filter, designed for 1988-2012 Harley-Davidson Sportster models equipped with the Screamin’ Eagle air cleaner system. Its high-flow design supports improved airflow, throttle response, acceleration, horsepower, and torque while helping protect the engine from harmful contaminants.

Built with premium, oiled cotton gauze media, this washable and reusable replacement filter is engineered for long-term performance and reduced replacement waste. Pleated filtration media provides a broad filtration area for extended service intervals, while the application-specific base seal and sealing bead help provide a precise OEM-style fit and straightforward installation where applicable. The filter arrives pre-oiled and ready to ride.

• Feature: High-flow design helps improve airflow, throttle response, acceleration, horsepower, and torque.
• Feature: Multi-layer woven cotton gauze media provides effective filtration and engine protection.
• Feature: Washable and reusable construction supports long service life and convenient maintenance.
• Feature: Application-specific sealing components provide a precision OEM-style fit.

Key Product Specifications and Technical Data:

• Brand: K&N Engineering
• Part Number: knnHD-0900
• Product Type: Powersports replacement air filter
• Vehicle Application: Harley-Davidson Sportster
• Model Years: 1988-2012
• Filter Media: Oiled cotton gauze
• Maintenance Type: Washable and reusable
• Warranty: No-Hassle Lifetime Limited Warranty

What’s Included: One K&N Engineering knnHD-0900 High-Flow Air Filter. K&N 99-5000 Filter Care Service Kit Aerosol is an associated maintenance product and is sold separately. This product is made in the USA. California Proposition 65 and applicable regulatory acknowledgements may apply.

Features:

• High-flow design helps improve airflow, throttle response, acceleration, horsepower, and torque.
• Multi-layer woven cotton gauze media provides effective filtration and engine protection.
• Washable and reusable construction supports long service life and convenient maintenance.
• Application-specific sealing components provide a precision OEM-style fit.

Air Freight Prohibited: false
Not Carb Approved: false
Carb Acknowledgement Required: true
Ltl Freight Required: false
Prop 65: Y
Part Type: powersports
Epa: N/A
Regular Stock: t
Units Per Sku: 1