K&N Universal Rubber Filter-Rd Tapered 3in Flange ID x - RU-4990Find parts that fit my vehicle

K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and other applications. Regardless of the angle or offset diameter of the air intake, there is probably a K&N Universal air filter for your equipment. All filters are constructed with ultra-strong molded pliable rubber flanges which absorb vibration and allow for secure attachment and can also be stretched for up to 1/16 of an inch (1.5mm) to fit in-between sizes. K&N universal air filters are washable and reusable.

Air filters are essential when it comes to your vehicles performance and protection. Shop from our list of air filters from brands like K&N, AEM, Injen, Spectre, Air Raid, aFe, and many more!

Replacing your OEM air filter with a drop in airfilter is a great way to increase airflow without replacing your entire air intake system. Replacing your air filter is cheap, fast, and easy. Another benefit of replacing your OEM filter with a drop in filter is that you can wash your drop in filter. you will never have to replace your OEM filter again.

For over 50 years, K&N has been an industry-leader in automotive filtration and technology—offering products to increase performance, protection, and longevity in thousands of vehicle applications for consumers worldwide.

HISTORYIn the early 1960s, two motorcycle racers, Ken Johnson and Norm McDonald (K&N), developed a ground-breaking new idea for an air filter—one that could perform under the demands of dusty, dirty off-road environments. After experimenting with numerous types of filter media, they discovered that an oiled cotton design allowed the filter to not only capture contaminants very efficiently, but also allowed it to be washed and reused, and the original K&N High-Flow Air Filter was born. Five decades later, K&N is still innovating industry-leading filtration technology, and offers outstanding protection for everything from top-fuel dragsters to commuter vehicles across the globe.

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