K&N RK-3954B High-Flow Air Intake System for Harley-Davidson

Upgrade your Harley-Davidson motorcycle with the K&N RK-3954B High-Flow Air Intake System. Designed specifically for a range of models from 2017 to 2023, this intake system not only enhances the look of your bike but also significantly boosts performance by increasing airflow, horsepower, and torque.

Key Features

• Air Filter Color: Red
• Air Filter Height: 2.125 in (54 mm)
• Material: Cotton Gauze
• Washable: Yes
• CARB EO Number: D-269-60/83/104
• Color / Finish: Red Filter, Black Top
• Estimated Horsepower Gain: 7.17 HP @ 4812 RPM
• Mounting Hardware: Included
• Weight: 3.8 lb (1.7 kg)
• Warranty: No-Hassle Lifetime Limited

Specifications

• Overall Height: 2.281 in (58 mm)
• Product Style: Motorcycle Intake System
• Replacement Filter: E-3990
• Street Legal: In all US states (check vehicle applications)
• Top Material: Aluminum
• TUV Approved (Europe): No

Fitment

This air intake system is compatible with various Harley-Davidson models, including:

• FLHR Road King (2017-2022)
• FLHTCU Electra Glide Ultra Classic (2017-2019)
• FLHTCUTG Tri Glide Ultra (2017-2023)
• FLHTK Ultra Limited (2017-2023)
• FLHX Street Glide (2017-2023)
• FLTRX Road Glide (2017-2023)
• And many more!

Customer Feedback

Riders have noted that the RK-3954B not only delivers a noticeable increase in throttle response but also adds a distinctive sound to their Harley, making every ride more exhilarating. The installation process is straightforward, and many appreciate the included instructions that make it easy to set up.

Installation Instructions

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

Why Choose K&N?

K&N is a trusted name in performance air filters and intake systems. With a focus on quality and performance, the RK-3954B is built to last and designed to meet the demands of serious riders. Upgrade your Harley-Davidson and experience the difference today!