The Ford Focus catalytic converter plays a key role in reducing harmful emissions and improving vehicle performance. It converts toxic gases—like carbon monoxide and nitrogen oxides—into less harmful substances such as carbon dioxide and water vapor, using metals like platinum, palladium, and rhodium. A properly working catalytic converter ensures your car meets emissions standards, b... https://excelexhaust.com/blogs/news/ford-focus-catalytic-converter-key-to-better-emissions-and-performance