K&N Intake System-Harley Davidson (RK-3930)

K&N Intake System-Harley Davidson (RK-3930)The K&N RK 3930 Air Intake System was designed to get more horsepower from your Twin Cam Harley Davidson engine. Built around the legendary K&N High Flow Air Filter, this RK Series assembly includes an innovative powder coated billet aluminum back plate that eliminates external breathers and features a built in, dyno tuned velocity stack. The result is a significant airflow increase to the engine without sacrificing filtration. This RK Series assembly

Easy to install with no cutting or drilling

Pliable flanges absorb vibration and can be stretched up to 1/16 In

K&N offers a wide selection of automotive air filter custom assembly parts to give your vehicle a show car look under the hood

modern look with an oval-shaped silver housing

This allows cooler

The back-plate is pre-drilled

Fits K&N hood scoops with a 58 square inch opening

Includes inserts to fit three different flange diameters

K&N 57i Series induction kits are specifically designed for each different vehicle and will free your car from the size restriction that comes with the factory air box

This real world testing is combined with testing performed at K&N's own Dust Retention Laboratory in conformity with the ISO 5011 test protocol

conical filter design allows you to go up to 100

The 62-1360 crankcase vent filter has a K&N embossed chrome-plated steel top with a black rubber base