Description
The K&N Filters RU-5291 Air Filter is engineered for high-performance applications, making it an ideal choice for racing vehicles, generators, and more. This air filter showcases K&N’s commitment to quality and versatility, featuring ultra-strong molded pliable rubber flanges that absorb vibrations for secure attachment.
This air filter is washable and reusable, allowing for easy maintenance and long-lasting use. The design accommodates various angles and offset diameters, ensuring a reliable fit for a wide range of setups. With the ability to stretch up to 1/16 of an inch (1.5mm), the K&N RU-5291 can adapt to different intake sizes, making it a practical solution for those looking to enhance their equipment’s airflow.
Features
- Constructed with ultra-strong molded pliable rubber flanges
- Washable and reusable for extended life
- Can stretch for up to 1/16 of an inch (1.5mm) to fit various sizes
- Designed for a wide variety of applications
Frequently Asked Questions
What is the K&N Filters RU-5291 Air Filter made of?
The air filter features ultra-strong molded pliable rubber flanges.
Can the K&N Filters RU-5291 be reused?
Yes, this air filter is washable and reusable.
How much can the flanges stretch?
The flanges can stretch for up to 1/16 of an inch (1.5mm) to fit in-between sizes.
Manuals & Instructions
âš WARNING (California Proposition 65): WARNING: Cancer and Reproductive Harm – www.p65warnings.ca.gov

Not CARB approved. This item is not legal for sale or use on pollution-controlled motor vehicles in California or states that adopt California emissions standards. Intended for off-road / competition use where permitted by law.










