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Yellow Speed Inverted Pro Street Coilovers for 2013-2018 Ford Focus ST (MK3) i-280 SF Racing Air Struts forYellow Speed Racing Inverted Pro Street Coilovers for the 2013 2018 Ford Focus ST (MK3) deliver a high performance street suspension upgrade with inverted front strut technology for increased rigidity and reduced unsprung weight. Featuring 1 way damping adjustment, this system allows drivers to fine tune ride quality and handling characteristics for both daily driving and spirited street use. The inverted strut design places the larger diameter tube