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.
K/N s replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. Our stock replacement air filters for street vehicles are covered by K/N s Million-Mile Limited Warranty.
Fits
Audi A4 Premium 2015
Audi A4 Premium 2016
Audi A4 Premium 2017
Audi A4 Premium 2018
Audi A4 Premium 2019
Audi A4 Premium 2020
Audi A4 Premium Plus 2015
Audi A4 Premium Plus 2016
Audi A4 Premium Plus 2017
Audi A4 Premium Plus 2018
Audi A4 Premium Plus 2019
Audi A4 Premium Plus 2020
Audi A4 Prestige 2015
Audi A4 Prestige 2017
Audi A4 Prestige 2018
Audi A4 Prestige 2019
Audi A4 Prestige 2020
Audi A4 Titanium 2019