Moroso air/oil separator catch can for 2013–2018 Ford Focus ST applications is a small-body billet aluminum unit with a black finish that separates oil and crankcase vapors from intake air to help reduce contamination. Offered for the specified Focus ST years, the black-machined small body combines the same oil-capture function with a darker finish to match sport-trim engine bays.
Moroso 13-18 Ford Focus ST Air/Oil Separator Catch Can - Small Body - Billet Aluminum - Black Finish