Air and Fuel› Air Cleaners, Filters, Intakes and Components

K&N Engineering

K&N Intake System for Harley Davidson - Color (Red) - Style (Oval) - Size (9in)

$209.99

SKU: K001 RK-3930

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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

Part #: 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 retains a factory appearance by utilizing the stock air cleaner cover.

This K&N RK Series Air Intake System was designed to get more horsepower from your Twin Cam Harley-Davidson engine. This RK Series assembly retains a factory appearance by utilizing the stock air cleaner cover.

This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

MIA's Description

The K&N RK-3930 is a performance air intake system designed for Harley-Davidson Twin Cam engines. It features an oval-shaped, red cotton gauze air filter with a plain aluminum top and a flat base style. The system is constructed with a billet aluminum housing and is street legal in all US states.

Fitment

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Specifications

BrandK&N Engineering
Part NumberK001 RK-3930

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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