K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority of vehicles on the road. These filters are washable and reusable and are custom designed to fit into your existing factory air box.Their drop-in design means adding performance is simple. With most vehicles you simply remove the disposable air filter and replace it with a K&N. See applicable instruction sheet for details.

ProductSpecifications
Air Filter Shape Panel
Filter Material Cotton Gauze
Washable Yes
Height 1.438 in (37 mm)
Outside Length 11.063 in (281 mm)
Outside Width 8.625 in (219 mm)

Application
2018 Kia Optima2.0L L4 Fuel Injection US Models Only
2018 Kia Optima 1.6L L4 Fuel Injection All Models
2018 Hyundai Sonata 2.0L L4 Fuel Injection All Models
2018 Hyundai Sonata 1.6L L4 Fuel Injection All Models
2017 Kia Optima 2.0L L4 Fuel Injection US Models Only
2017 Kia Optima 1.6L L4 Fuel Injection All Models
2017 Hyundai Sonata 2.0L L4 Fuel Injection All Models
2017 Hyundai Sonata 1.6L L4 Fuel Injection All Models
2016 Kia Optima 2.0L L4 Fuel Injection All Models
2016 Kia Optima 1.6L L4 Fuel Injection All Models
2016 Hyundai Sonata 2.0L L4 Fuel Injection All Models
2016 Hyundai Sonata 1.6L L4 Fuel Injection All Models
2015 Hyundai Sonata 2.0L L4 Fuel Injection All Models
2015 Hyundai Sonata 1.6L L4 Fuel Injection All Models