ARLEN NESS Performance Air Filter Kit Stage II - Blue

Performance Air Filter Kit - Stage II - Blue

The Arlen Ness Performance Air Filter Kit Stage 2 Blue delivers increased airflow and aggressive custom styling for your 2017-2023 Milwaukee-Eight Touring or Trike model. This complete kit includes the high-flow filter element and precision-machined components for a direct bolt-on fit. Part number 600-189. Upgrade your breathing and performance with this proven Arlen Ness design.

Enhance engine performance and style with the ARLEN NESS Stage II Performance Air Filter Kit, designed specifically for Harley-Davidson M8 engines. This high-flow air filter features a pleated top and side intake design to maximize airflow, resulting in improved horsepower and engine efficiency. Crafted from high-quality black pre-oiled cotton media, the filter offers superior filtration while reducing maintenance time. The increased filter height is specially engineered to boost airflow without sacrificing rider comfort or legroom, providing an optimal balance between performance and practicality. Dyno testing indicates up to a 3 horsepower gain on factory displacement M8 engines and up to 5 horsepower on 124-inch big bore M8 models, making this upgrade a valuable addition for performance enthusiasts. The kit includes a durable billet aluminum filter cover, four billet spacers, clamps, and mounting bolts, all CNC machined for precision and strength. Please note, the kit requires an OEM/Harley-Davidson Ventilator® oval backing plate, which is not included. This comprehensive upgrade combines style, durability, and increased airflow to help your motorcycle perform at its best while maintaining a sleek custom look.

Features:

• Performance filter with pleated top for maximum airflow from sides and top

• High-flow black pre-oiled cotton media for superior filtration and efficiency

• Increased filter height designed to enhance airflow without reducing legroom

• Over 50% more filter surface area than traditional paper filters in factory air cleaners

• CNC machined billet aluminum filter cover, spacers, and clamps for durability and precision

• Dyno tested for horsepower gains: up to 3hp on factory M8 engines and up to 5hp on 124” big bore models

• Kit includes filter, billet cover, spacers, clamps, and mounting bolts; backing plate required