Description
The K&N Filters RP-4660 Universal Air Filter is designed to enhance air and fuel delivery systems. Constructed from oiled cotton filter media, this filter features a K&N embossed carbon fiber top that provides both strength and a lightweight design. The smooth, glass-like finish of the carbon fiber element adds to its aesthetic appeal while ensuring durability.
This clamp-on filter has an inside flange diameter of 4 inches and a flange length of 5/8 inches, making it a practical choice for various applications. With a base measuring 5 3/8 inches and a height of 5 1/2 inches, the RP-4660 is engineered for easy installation and maintenance. The washable design allows for repeated use, making it a cost-effective solution for air filtration needs.
Features
- Constructed from oiled cotton filter media
- K&N embossed carbon fiber top for strength and durability
- Clamp-on filter design
- Inside flange diameter of 4 inches
- Flange length of 5/8 inches
- Base measures 5 3/8 inches
- Height of 5 1/2 inches
- Washable for repeated use
Frequently Asked Questions
What material is the RP-4660 air filter made from?
The RP-4660 air filter is constructed from oiled cotton filter media.
What is the top material of the RP-4660 air filter?
The top of the RP-4660 air filter is made from carbon fiber.
Is the RP-4660 air filter washable?
Yes, the RP-4660 air filter is washable and can be reused.
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.













