Description
The K&N Filters RP-5285 Universal Air Filter is a high-quality air filter designed to improve airflow and engine performance. Constructed from oiled cotton filter media, this filter features a K&N embossed carbon fiber top and base, ensuring strength and durability while maintaining a lightweight design.
This clamp-on filter has an inside flange diameter of 3-11/16 inches, with a base measuring 8-3/4 inches by 5-1/2 inches and a height of 7 inches. The carbon fiber element not only contributes to its lightweight nature but also provides a smooth, glass-like finish that enhances its aesthetic appeal. The RP-5285 is washable, allowing for easy maintenance and long-term use, making it an excellent choice for those looking to enhance their air and fuel delivery system.
Features
- Constructed from oiled cotton filter media
- K&N embossed carbon fiber top and base
- Clamp-on design with an inside flange diameter of 3-11/16 inches
- Base dimensions: 8-3/4 inches by 5-1/2 inches
- Height of 7 inches
- Lightweight design with a smooth glass-like finish
- Washable for easy maintenance
Frequently Asked Questions
What is the construction material of the RP-5285 air filter?
The RP-5285 is constructed from oiled cotton filter media with a carbon fiber top and base.
What are the dimensions of the RP-5285 air filter?
The filter has an inside flange diameter of 3-11/16 inches, a base size of 8-3/4 inches by 5-1/2 inches, and a height of 7 inches.
Is the RP-5285 air filter washable?
Yes, the RP-5285 is washable, allowing for easy maintenance and reuse.
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.















