Universal Custom Air Filter - Oval Shape 9.313" OD/2.375 Height (KNNE-3988)

Breathe easy and boost performance with the Universal Custom Air Filter - Oval Shape 9.313in OD/2.375 Height from K&N. This high-flow replacement air filter is designed to increase horsepower and acceleration while providing outstanding filtration. Unlike disposable paper filters, K&N filters are washable and reusable, so you buy once and never worry about replacements again.

Features

• Washable and reusable, designed to last the life of your vehicle
• Proven horsepower and torque gains

Manufacturer Description

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.