Seals the stock airbox lid vent on Ford Focus Mk3 RS and ST models - a simple, effective tweak for fast road or track day use. No cutting, drilling or modifications required.
Boosts airbox pressure and helps maintain cooler intake air by blocking unwanted airflow paths
Includes all hardware: spacers, screws, washers and nuts - ready to fit straight from the box
Choose from six colours: Red, Blue, White, Black, Orange or Grey
