K&N RK-3955S Street Metal Air Intake System for Harley Davidson

Upgrade your Harley Davidson with the K&N RK-3955S Street Metal Air Intake System, designed specifically for models like the FLHR Road King (2017-2022), FLHTCU Electra Glide Ultra Classic (2017-2019), and many more. This high-performance intake system replaces the restrictive stock air cleaner, allowing for improved airflow and a noticeable boost in power.

Key Features

• Air Filter Color: Red
• Air Filter Height: 2.469 in (63 mm)
• Material: Cotton Gauze, Washable
• Estimated Horsepower Gain: 3.33 HP @ 4710 RPM
• Overall Height: 3.25 in (83 mm)
• Weight: 5 lb (2.2 kg)
• Mounting Hardware: Included
• Street Legal: Yes, in all US states (check vehicle applications)
• Warranty: No-Hassle Lifetime Limited

Specifications

• Product Style: Motorcycle Intake System
• Replacement Filter: E-3987
• Color/Finish: Red Filter, Silver Housing
• Top Material: Silver Powder Coated
• CARB EO Number: D-269-60/83/104

Fitment

This intake system is compatible with a wide range of Harley Davidson models from 2017 to 2023, including:

• FLHR Road King
• FLHTCU Electra Glide Ultra Classic
• FLHX Street Glide
• FLTRX Road Glide
• And many more!

Customer Feedback

Users appreciate the noticeable increase in throttle response and overall performance after installing the RK-3955S. Many have noted how the aggressive look of the high-flow air filter enhances the aesthetics of their bikes while providing the power boost they desire.

Installation Instructions

• For detailed installation instructions, CLICK HERE
• For dyno results, CLICK HERE