K&N manufactures air filters for just about every car and truck on the road. K&N automotive stock replacement air filters are made with an oiled cotton media that is washable and reusable. They are designed to achieve high, virtually unrestricted air flow while maintaining filtration levels critical to ensure long engine life.

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 virtually every vehicle 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. Our stock replacement air filters for street vehicles are covered by our famous K&N Million-Mile Limited Warranty and will be the last filter you will ever need!

Fitment:

2012-2013 Honda Civic Si

2013 Acura ILX 2.4L