Ford Focus ST Air Filter - COBB - High Flow - 2013+ is a precision-fit replacement for your ST’s factory panel filter. It delivers increased airflow compared to stock while maintaining dependable filtration for daily driving and spirited runs.

Developed by COBB Tuning, this drop-in element installs in the OEM airbox to improve intake efficiency without the complexity of a full intake system. Its quality filter media and sturdy perimeter promote a secure seal and consistent performance, supporting smooth drivability and future upgrades. Installation is quick and fully reversible with basic hand tools.

Features

• Direct-fit for 2013+ Ford Focus ST
• High-flow design for improved intake efficiency
• Works with the factory airbox and stock calibration
• Durable construction for reliable sealing and fit
• Quick, reversible installation

Ready to dial in your Focus ST’s airflow? Call us for expert guidance or to schedule service. We have two locations offering installation and customization services: Austin, Texas and the Los Angeles, California area. Texas: 512-982-9393 (TX) | California: 562-981-6800 (CA).

Thinking about multiple items? Contact us for shipping discounts. We install on premises at both locations.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov