2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 Focus ST RS MK3 MK3.5. High Performance Air Filter Intake Compatible with Ford Focus 2009-2018 RS/ST MK3 MK3.5 Accessories,Cold Air Intake Filter. High quality & cheaper reusable: The filter is made of advanced 3-layer material.
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