K&N Engineering Performance Air Intake System
Fits 2001–2017 Harley-Davidson Softail and Dyna Models
Part #: 57-1137
Overview
The K&N 01-17 Harley-Davidson Softail and Dyna FI Performance Air Intake System is designed to enhance the airflow of your motorcycle’s engine, helping to unlock more power and improve throttle response. Crafted specifically for select Harley-Davidson Softail and Dyna models, this intake replaces the restrictive stock air cleaner with a high-flow K&N air filter and a durable cast aluminum intake tube. The result is a combination of increased performance, a more aggressive appearance, and improved engine sound, making it an ideal upgrade for motorcycle enthusiasts seeking both style and function.
This intake system is perfect for riders who want to optimize their Harley’s airflow, enhance engine efficiency, and achieve a more commanding sound. Whether you’re customizing your bike for performance or aesthetics, this kit offers a straightforward upgrade that supports your riding experience.
Key Features
This K&N intake system features a high-flow air filter designed for maximum airflow and filtration efficiency. The cast aluminum intake tube is engineered for durability and optimal airflow dynamics, helping to support your engine’s power output. The system includes a die-cast aluminum throttle-body mounting plate and all necessary hardware for a secure, bolt-on installation. Its sleek design not only boosts performance but also adds an aggressive visual appeal to your motorcycle.
- High-flow K&N reusable air filter for increased airflow and filtration
- Cast aluminum intake tube for durability and improved airflow
- Die-cast aluminum throttle-body mounting plate for secure fitment
- Includes mounting hardware for easy installation
- Designed specifically for select Harley-Davidson Softail and Dyna models
- Enhances engine response and overall performance
- Provides an aggressive look that complements your motorcycle’s style
Construction & Design
The intake system is constructed from high-quality cast aluminum, ensuring durability and resistance to the elements. The precision-machined components are designed to fit seamlessly with your Harley-Davidson’s existing throttle-body and air intake system, providing a reliable and long-lasting upgrade.
Performance & Response
By replacing the restrictive stock air cleaner, this intake helps improve airflow to the engine, which can lead to noticeable gains in throttle response and overall power. The increased airflow supports better combustion efficiency, contributing to a more lively riding experience and a richer engine sound.
Installation & Fitment
This kit is designed for straightforward bolt-on installation, with all necessary hardware included. It is compatible with 2001–2017 Harley-Davidson Softail and Dyna models equipped with fuel injection systems, making it an ideal upgrade for riders looking to enhance their motorcycle’s performance without extensive modifications.
What’s Included
The package includes a high-flow K&N air filter, cast aluminum intake tube, throttle-body mounting plate, and all mounting hardware required for installation.
Ideal For
This intake system is perfect for Harley-Davidson riders seeking to improve their bike’s airflow, response, and visual appeal. It’s an excellent choice for those upgrading for performance, sound, or aesthetic reasons, and for enthusiasts who want a reliable, reusable filter that supports long-term riding enjoyment.
