The K&N 57s Performance Airbox 57S-4000 for Ford Focus III replaces the original air filter box a Ford Focus III 2.0i Turbo (ST) (Mot. R9DA, R9DC) 250 PS A specially for the Ford Focus III developed air box with K&N filter element. All necessary mounting materials and instructions for the Ford Focus III 2.0i Turbo (ST) (Mot. R9DA, R9DC) 250 PS 6/12-8/18 are included in the K&N 57s Performance Airbox.
By using the K&N 57i Performance Kit 57S-4000 the power of a Ford Focus III 2.0i Turbo (ST) (Mot. R9DA, R9DC) can be increased and the fuel consumption will be reduced.
With TÜV Including German TÜV partial certificate for entry by an expert of the TÜV or the Dekra.
TÜV Gutachten nur für Fahrzeuge mit serienmässigen Auspuff und Schaltgetriebe
