The K&N E-9289 Air Filter is designed to increase horsepower and protect your engine by reducing restriction and providing excellent filtration. The E-9289 custom air filter is manufactured to replace the air filter in the 57S-4000 performance air box and it comes with a K&N embossed lid cap. The filter media can be washed and reused repeatedly.
Technical Bulletin


This Part Fits:

Year	Make	Model	Submodel
2016-2017	Ford	Focus	RS
2013-2015	Ford	Focus	S
2013-2015	Ford	Focus	SE
2013-2015	Ford	Focus	ST
2013-2015	Ford	Focus	Titanium
2014-2015	Ford	Transit Connect	Titanium
2014-2015	Ford	Transit Connect	XL
2014-2015	Ford	Transit Connect	XLT