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Amazon.com: K&N Cold Air Intake Kit: High Performance, Increase Horsepower: Compatible with 2013-2018 FORD (Focus ST) 69-3518TS : Automotive
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Amazon.com: K&N Cold Air Intake Kit: High Performance, Increase Horsepower: Compatible with 2012-2018 Ford Focus, 2.0L L4, 69-3517TS : Automotive
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Amazon.com: K&N Cold Air Intake Kit: High Performance, Increase Horsepower: Compatible with 2016-2018 FORD (Focus RS) 69-3539TB : Automotive
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