Description
The K&N Filters RU-5181 Universal Air Filter is engineered for a wide range of applications, including racing vehicles, radio-controlled cars, generators, snowmobiles, and tractors. This air filter stands out with its ultra-strong molded pliable rubber flanges that absorb vibration and ensure secure attachment, providing flexibility for various intake angles and diameters.
Designed to be washable and reusable, the K&N RU-5181 offers an eco-friendly solution for maintaining optimal airflow. This air filter can be stretched for up to 1/16 of an inch (1.5mm) to accommodate in-between sizes, making it a practical choice for different setups. With its reliable construction, this filter helps ensure that your equipment operates efficiently.
Features
- Constructed with ultra-strong molded pliable rubber flanges
- Can be stretched for up to 1/16 of an inch (1.5mm) for fitment
- Washable and reusable design
- Compatible with a wide variety of applications
Frequently Asked Questions
What is the K&N Filters RU-5181?
The K&N Filters RU-5181 is a universal air filter designed for various applications.
Is the K&N RU-5181 washable?
Yes, the K&N RU-5181 is washable and reusable.
What materials are used in the K&N RU-5181?
The K&N RU-5181 features ultra-strong molded pliable rubber flanges.
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.








