K&N Intake System-Harley Davidson (RK-3931)

K&N Air Cleaner Assemblies are designed to get more horsepower from your Harley-Davidson® motorcycle. These air cleaner assemblies replace the stock air filter and backplate with an oversized K&N Air Filter and custom aluminum backing plate. These assemblies utilizes the stock cover to maintain stock appearance.

• Designed to increase horsepower & torque
• Dyno-tuned velocity stack
• Excellent Air Filtration
• Washable and reusable lifetime air filter
• Not legal for highway use in states adopting California emission regulations