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 BulletinThis 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 |
