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

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

Aluminum construction

Connects a 3-1/2 inch to a 3-1/4 inch tube

in addition to other applications

low pressure

Control dial - The stylish aluminum control dial installs into the cab of your vehicle to give you direct control over your Throttle Control Module

and top plate

That means this filter can go for long intervals between servicing

2-1/2 inch inside diameter

No-Hassle Lifetime Limited Warranty

Supplied spring clip clamps keep the filter securely together for a positive seal and ease of servicing

7-5/16 inch inside diameter

The K&N 57-6001 FIPK air intake system replaces the restrictive factory air filter and air box in some Nissan 300ZX models