K&N Universal Clamp-On Air Filter

The K&N RU-4480 is a universal clamp-on air filter engineered for a broad range of applications, including racing vehicles, radio-controlled cars, generators, snowmobiles, and tractors. The pliable nature of the flanges allows them to be stretched up to 1/16 of an inch, accommodating slight variations in intake diameter. The filter media is made of cotton, providing high airflow for increased horsepower and acceleration while maintaining excellent filtration. Designed for widespread use, the RU-4480 is washable and reusable, offering a long service life. Its universal design means it can be adapted to various intake angles and offset diameters. Key dimensions include a flange diameter of 4.063 inches, a height of 2.188 inches, a width of 6.875 inches, and a depth of 5.875 inches. The flange length is 0.750 inches.