Description

The K&N Filters FIPK Air Intake Kit for Harley-Davidson Softail/Dyna – Silver (KNN57-1137S) is designed to boost performance on fuel-injected Harley-Davidson Softail and Dyna motorcycles. This intake system increases airflow to the engine, delivering more horsepower and improved throttle response. It replaces the stock air intake system with a high-flow filter and mandrel-bent tubing for smooth, unrestricted airflow. The kit is engineered for a precise fit and includes all necessary mounting hardware for an easy installation. Built for riders who want more efficiency and better engine breathing on the road. Compatible with 2001-2017 fuel-injected models. Silver finish for a clean, polished look.

Features and Specifications:

Vehicle Fitment: Fits Harley-Davidson Softail/Dyna (2001-2017) fuel-injected models.
Estimated Horsepower Gain: 5.35 HP @ 4758 RPM
Air Filter Material: Cotton Gauze
Intake Pipe Color/Finish: Silver
Intake Pipe Material: Die-Cast Aluminum
Air Filter Outlet Shape: Round
Horsepower Boost: Increases engine horsepower for enhanced performance.
Throttle Response: Improves acceleration and engine sound.
Aluminum Tube: Durable cast aluminum intake for high-performance airflow.
Velocity Stack: Integrated internal velocity stack for optimized airflow.
Built-In Breathers: Replaces external OE breathers with internal design.
Long-Lasting: Up to 100,000 miles before maintenance (varies by use).
Quick Installation: Installs easily in 90 minutes or less.
Include: Mounting Hardware
Warranty: No-Hassle Lifetime Limited.