K&N Unique Air Filter (E-3333)

K&N Unique Air Filter (E-3333)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. Replacement air filter for specific RK Series

No-Hassle Lifetime Limited Warranty™

Designed for enthusiasts

When used as directed

Easy to read

K&N 99-0640 is a 5 US gallon container of Power Kleen air filter cleaner

Air is directed through the intake tube into the engine's turbo inlet for a guaranteed power gain

Designed to fit specific scoop designs popular to drag racing today

One year limited warranty

Port can accommodate water-methanol or nitrous oxide injection kits

Washable and reusable lifetime air filter

The system can typically be installed in less than 90 minutes

The intake tube has an attractive black powdercoated finish that's made to last and it accommodates the factory crank case vent hose