Skip to product information
1 of 13

K&N Engineering

KNNE-3988

K&N Universal Custom Air Filter - Oval Shape 9.313in OD / 2.375 Height

Regular price $68.99
Sale price $68.99 Regular price
In stock

FITS UNIVERSALLY

This product is compatible with all vehicles

FITS YOUR:

DOES NOT FIT YOUR:





K&N Universal Custom Air Filter - Oval Shape 9.313in OD / 2.375 Height

$68.99

The K&N replacement air filter for RK Series air cleaner assemblies is designed to increase horsepower and acceleration while providing excellent filtration. The air filter is washable and reusable and designed to be used as a replacement air filter for specific K&N RK Series air cleaner assemblies for Harley-Davidson motorcycles. The air filter is covered by the famous K&N Million-Mile Limited Warranty.

  • Million Mile Limited Warranty®
  • Million Mile Limited Warranty

Orders totaling $99.99 or more qualify for free shipping, unless otherwise stated on the product page.

Orders below $99.99 ship for a flat rate of $20.

Shipping rates apply to standard shipping only and may vary for oversized, heavy, or special order items when applicable.

Click here to learn more.

Get Support

Whether you need install guidance, order support, or help diagnosing an unexpected sound, our team is ready. We work on these cars ourselves, which means real answers and useful support every time.