K&N Performance Air Induction Kit 57S-4521 High-Flow Intake

PRODUCT OVERVIEW

The K&N 57S-4521 Performance Air Induction Kit is an aftermarket high-flow intake system designed to improve engine airflow compared with standard air filter housings. It is engineered to help enhance throttle response and support overall engine performance when correctly installed on a compatible vehicle.

KEY FEATURES

• High-flow air induction design to reduce intake restriction
• Designed as a direct bolt-on replacement for the factory air box on applicable vehicles
• Reusable performance air filter element (cleanable and serviceable)
• Engineered to help improve throttle response and engine sound
• Quality construction from a leading performance filtration brand

PART DETAILS

• Brand: K&N
• Part Number: 57S-4521
• Product Type: Performance air induction kit / intake kit

INSTALLATION & COMPATIBILITY

This K&N performance air induction kit is designed for specific vehicle applications. Always confirm fitment using your vehicle details and the manufacturer’s catalog before purchase and installation. Professional installation is recommended if you are unsure of the process or required adjustments.

MAINTENANCE

• Filter element is washable and reusable using appropriate K&N filter service kits
• Inspect and clean at intervals recommended by the manufacturer or sooner in dusty conditions

IMPORTANT NOTES

• This is an aftermarket performance component and is not a genuine OEM part.
• Check local regulations regarding intake and emission-related modifications before installation.
• Ensure all clamps, hoses and fittings are tightened and secure after installation.