K&N High Flow Air Filter for Kawasaki Z 900 RS - KA-9018

K&N High-Flow Air Filter | Kawasaki Z900 / Z900RS (KA-9018)

Enhance the performance of your modern classic or super-naked with the K&N KA-9018. Specifically designed for the Z900 series' unique intake tract, this high-flow filter replaces the restrictive factory element to provide the increased air volume necessary for the 948cc inline-four engine to reach its full potential.

Key Features

• Increased Horsepower & Torque: Engineered to provide up to 50% more airflow than traditional paper filters, resulting in a more responsive throttle and stronger acceleration throughout the rev range.

• Superior Filtration: Features K&N’s signature multi-layered oiled cotton gauze media, designed to capture up to 99% of harmful contaminants while maintaining high air velocity.

   

• Washable & Reusable: This is a "Lifetime" filter. Instead of buying a new filter every major service, simply wash, re-oil, and reinstall the KA-9018—reducing long-term maintenance costs and waste.

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• Direct Drop-In Fit: Precision-molded to fit the factory airbox perfectly. It requires no modifications, fuel-management updates, or ECU re-mapping to function effectively.

• Legendary Durability: Built to withstand the vibrations and pressures of high-performance riding, backed by K&N’s famous Million-Mile warranty.

   

Technical Specifications

Why Choose K&N for your Z900 / Z900RS?

The Kawasaki Z900RS is famous for its tuned intake note and smooth power delivery. The KA-9018 complements this by allowing the engine to breathe more naturally, often deepening the intake "growl" under hard acceleration. Unlike paper filters that "load up" and lose efficiency quickly, K&N's high-flow cotton media provides consistent performance over much longer intervals. It’s an essential upgrade for riders who want to keep their "Z" running at peak efficiency with a crisper, more immediate throttle feel.