Experience a noticeable boost in performance with the K&N 57i Generation II Induction Kit, engineered exclusively for the Ford Focus II ST 2.5L 20V Turbo. This kit is designed to enhance throttle response and increase power by eliminating factory air path restrictions, ensuring your engine receives a significant influx of air.

Key Benefits

• Guaranteed horsepower increase for improved performance
• Aerodynamic design optimized for superior airflow
• Non-metallic, rotationally molded tubes that lower intake air temperature and reduce noise
• Washable, reusable lifetime air filter backed by K&N’s No-Hassle Lifetime Limited Warranty
• Quick and straightforward installation, typically completed in about 2 hours
• Not legal for use in California and U.S. states enforcing California emission standards

Technical Highlights

• Engine Specific: Designed specifically for the Ford Focus II ST 2.5L 20V Turbo with modifications that set it apart from European models
• Material Excellence: Features advanced non-metallic tubing that minimizes air temperatures and reduces intake sound
• Enhanced Airflow: Replaces the entire factory air system, removing restrictions to help your engine achieve its full potential

For detailed installation guidance, refer to our Installation Instructions.

Explore more high-performance products in our K&N Engineering collection and elevate your vehicle’s performance today.