K&N SU-4000 High-Performance Washable Air Filter for Enhanced Engine Intake

The K&N SU-4000 Air Filter is engineered to deliver increased airflow and optimal engine performance for a variety of vehicles. Constructed with pleated media, this filter offers a large filtration surface area that extends service intervals and reduces maintenance frequency. The multi-layer woven cotton gauze media ensures excellent filtration efficiency, trapping harmful debris while allowing maximum airflow to your engine. Designed for a precise fit, it mounts directly into the OEM airbox with an application-specific sealing bead, ensuring an airtight seal to prevent unfiltered air entry. This feature simplifies installation and guarantees consistent performance. The SU-4000 is made in the USA and has been trusted for over 40 years, reflecting its durability and quality. It is washable and reusable, pre-oiled, and ready to install, providing a cost-effective and environmentally friendly alternative to disposable filters. The robust construction and high-performance design make it suitable for enthusiasts seeking reliable power gains without the need for extensive fuel management modifications. Whether you're upgrading your stock system or building a performance setup, the K&N SU-4000 offers a proven solution for improved engine intake efficiency.

Features:

• Designed to provide increased performance

• Pleated media provides a large filtration area offering long service intervals

• Multi-layers of woven cotton gauze media offers excellent filtration

• Fits directly into OEM airbox with application-specific sealing bead to ensure a precise fit

• Fuel management modifications are not normally required for increased performance

• Made in the USA for over 40 years

• Washable & reusable, pre-oiled and ready to ride!