Harley-Davidson Screamin’ Eagle Ventilator Air Cleaner Kit – Milwaukee-Eight Engine 29400299

This low-profile oval air cleaner features an exposed filter element and a cast back plate designed to provide maximum air flow to the throttle body.

• Chrome

• Easy to install

• Produces significant performance gains, while the stylish cover is tapered for added leg clearance

• Includes low-profile air cleaner cover, high-flow filter element, cast aluminum back plate, diamond-cut Screamin’ Eagle® medallion, Protective Rain Sock and all required installation hardware

• All models require ECM calibration with Screamin’ Eagle® Pro Street Tuner for proper installation

Fits ’18-later Softail®, and ’17-later Touring (except ’23-later FLHXSE, FLTRXSE, ’24-later FLHX and FLTRX) and Trike models. All models require ECM calibration with Screamin’ Eagle Pro Street Tuner or dealership installed Screamin’ Eagle calibration for proper installation. Harley-Davidson Screamin’ Eagle Ventilator Air Cleaner Kit – Milwaukee-Eight Engine 29400299

Harley-Davidson Screamin’ Eagle Ventilator Air Cleaner Kit – Milwaukee-Eight Engine 29400299

The Harley‑Davidson Screamin’ Eagle Ventilator Air Cleaner Kit – Milwaukee‑Eight Engine (29400299) is a Stage I performance upgrade crafted to improve intake airflow, throttle response, and overall engine performance on compatible Milwaukee‑Eight motorcycles. Built by Harley‑Davidson’s Screamin’ Eagle performance division, this air cleaner combines functional performance enhancements with clean, low‑profile styling that complements modern Harley‑Davidson Softail®, Touring, and Trike models. (Harley-Davidson) Harley-Davidson Screamin’ Eagle Ventilator Air Cleaner Kit – Milwaukee-Eight Engine 29400299

At its core is a low‑profile oval air cleaner design featuring an exposed high‑flow filter element that allows more air to enter the engine compared to the stock intake system. This increased airflow promotes more efficient combustion and can yield noticeable improvements in throttle response and performance throughout the powerband when paired with proper calibration and fuel management. (Harley-Davidson) Harley-Davidson Screamin’ Eagle Ventilator Air Cleaner Kit – Milwaukee-Eight Engine 29400299

 Installation is straightforward and intended as a direct bolt‑on replacement for the factory air cleaner on compatible models. The kit includes all required mounting hardware and a protective rain sock to help shield the exposed filter from moisture and debris in wet riding conditions. Despite the exposed filter design, the rain sock helps maintain filtration performance in a variety of weather conditions, though the element should still be cleaned and maintained regularly. (Harley-Davidson) Harley-Davidson Screamin’ Eagle Ventilator Air Cleaner Kit – Milwaukee-Eight Engine 29400299

A crucial part of installing the Ventilator Air Cleaner Kit is ECM (Engine Control Module) recalibration. Because the intake system allows substantially more air into the engine, Harley‑Davidson requires all equipped models to be recalibrated using the Screamin’ Eagle Pro Street Tuner or through a dealership‑installed Screamin’ Eagle calibration. This ensures the air/fuel mixture is optimized for performance and engine safety, preventing lean or rich running conditions that could affect performance or reliability. (Harley-Davidson) Harley-Davidson Screamin’ Eagle Ventilator Air Cleaner Kit – Milwaukee-Eight Engine 29400299

Fitment for Part # 29400299 includes ’18–’24 Softail® models, and ’17–’25 Touring and Trike models (with some model exceptions based on specific configurations). It is 50‑State U.S. EPA compliant, making it legal for street use across U.S. states when installed and calibrated as directed. (Harley-Davidson) Harley-Davidson Screamin’ Eagle Ventilator Air Cleaner Kit – Milwaukee-Eight Engine 29400299

Overall, the Screamin’ Eagle Ventilator Air Cleaner Kit delivers a balance of performance gains, aesthetic enhancement, and practical design, making it a popular choice for Milwaukee‑Eight owners looking to elevate their bike’s intake performance while maintaining road legality and refined styling. (Harley-Davidson). Harley-Davidson Screamin’ Eagle Ventilator Air Cleaner Kit – Milwaukee-Eight Engine 29400299