Description
The K&N Filters RU-4180 Universal Air Filter is engineered for a wide range of applications, including racing vehicles, radio-controlled cars, generators, snowmobiles, and tractors. This filter is designed to accommodate various air intake angles and offset diameters, ensuring versatility in its use.
Constructed with ultra-strong molded pliable rubber flanges, the RU-4180 absorbs vibration and allows for secure attachment. These flanges can stretch up to 1/16 of an inch (1.5mm), enabling a snug fit for different sizes. The K&N universal air filter is both washable and reusable, making it a practical choice for those who value sustainability and long-term performance.
Features
- Constructed with ultra-strong molded pliable rubber flanges
- Flanges can stretch up to 1/16 of an inch (1.5mm)
- Washable and reusable design
- Suitable for a wide variety of applications
Frequently Asked Questions
What is the K&N Filters RU-4180 made of?
The filter features ultra-strong molded pliable rubber flanges.
Can the K&N Filters RU-4180 be reused?
Yes, this air filter is washable and reusable.
What applications can the K&N Filters RU-4180 be used for?
It is designed for a wide variety of applications including racing vehicles, generators, and snowmobiles.
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.















