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50 State Legal Performance for Ford Focus ST

Applicable Model Years: 2013 - 2018

Mountune USA offers a wide range of 50-State Legal performance upgrades for the Ford Focus ST.

Installing these parts ensure your EcoBoost engine remains emissions-friendly while upgrading the performance of your Ford Focus ST.

Every Executive Order for a 50-State Legal mountune part has an assigned number that can be verified by Smog Check stations, BAR Referee stations, or by CARB and are listed in the product description.

For more information about mountune's emission compliance click here.

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