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

K&N Engineering

K&N Street Round Metal Intake System - Harley-Davidson - Red Filter 6-8 Size 2.4in In Dia 2.5in H

$280.42

SKU: K001 RK-3934

Special Order
Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The K&N RK-3934 is a high-flow air intake system designed for Harley-Davidson motorcycles. It replaces the stock air cleaner with a complete system that improves airflow and power. This intake features an oversized, washable, and reusable cotton gauze air filter and a chrome lid.

This system is part of K&N's Street Metal Series, offering increased horsepower and torque. It includes a custom aluminum backing plate with an integrated breather system for a clean installation.

Fitment

Fitment Guaranteed

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandK&N Engineering
Part NumberK001 RK-3934

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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