K&N Replacement Air Filter 10.188in O/S Length x 6.375in O/S Width x 1.063in H for 12 Honda Civic Si

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


This Part Fits:

Year	Make	Model	Submodel
2013-2015	Acura	ILX	Base
2017-2021	Acura	NSX	Base
2022	Acura	NSX	Type S
2012-2015	Honda	Civic	Si