K&N Audi A4 1.8L Drop In Air Filter

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. Fitment: 2009 Audi A4 Base 2009 Audi A4 Quattro Avant 2009 Audi A4 Quattro Base 2010 Audi A4 Base 2010 Audi A4 Quattro Avant 2010 Audi A4 Quattro Base 2010 Audi A5 Cabriolet 2010 Audi A5 Quattro Base 2010 Audi A5 Quattro Cabriolet 2011 Audi A4 Base 2011 Audi A4 Quattro Avant 2011 Audi A4 Quattro Base 2011 Audi A5 Cabriolet 2011 Audi A5 Quattro Base 2011 Audi A5 Quattro Cabriolet 2011 Audi Q5 Premium 2011 Audi Q5 Premium Plus 2012 Audi A4 Base 2012 Audi A4 Quattro Avant 2012 Audi A4 Quattro Base 2012 Audi A5 Cabriolet 2012 Audi A5 Quattro Base 2012 Audi A5 Quattro Cabriolet 2012 Audi Q5 Premium 2012 Audi Q5 Premium Plus 2013 Audi A4 Base 2013 Audi A4 Quattro Base 2013 Audi A5 Cabriolet 2013 Audi A5 Quattro Base 2013 Audi A5 Quattro Cabriolet 2013 Audi allroad Premium 2013 Audi allroad Premium Plus 2013 Audi allroad Prestige 2013 Audi Q5 Hybrid Prestige 2013 Audi Q5 Premium 2013 Audi Q5 Premium Plus 2014 Audi A4 Base 2014 Audi A4 Quattro Base 2014 Audi A5 Cabriolet 2014 Audi A5 Quattro Base 2014 Audi A5 Quattro Cabriolet 2014 Audi A6 Premium 2014 Audi A6 Premium Plus 2014 Audi allroad Premium 2014 Audi allroad Premium Plus 2014 Audi allroad Prestige 2014 Audi Q5 Hybrid Prestige 2014 Audi Q5 Premium 2014 Audi Q5 Premium Plus 2014 Audi Q5 Prestige 2015 Audi A4 Premium 2015 Audi A4 Premium Plus 2015 Audi A4 Prestige 2015 Audi A4 Quattro Premium 2015 Audi A4 Quattro Premium Plus 2015 Audi A4 Quattro Prestige 2015 Audi A5 Quattro Premium 2015 Audi A5 Quattro Premium Plus 2015 Audi A5 Quattro Prestige 2015 Audi allroad Premium 2015 Audi allroad Premium Plus 2015 Audi allroad Prestige 2015 Audi Q5 Hybrid Prestige 2015 Audi Q5 Premium 2015 Audi Q5 Premium Plus 2016 Audi A4 Premium 2016 Audi A4 Premium Plus 2016 Audi A4 Quattro Premium 2016 Audi A4 Quattro Premium Plus 2016 Audi A5 Quattro Premium 2016 Audi A5 Quattro Premium Plus 2016 Audi allroad Premium 2016 Audi allroad Premium Plus 2016 Audi Q5 Hybrid Prestige 2016 Audi Q5 Premium 2016 Audi Q5 Premium Plus 2017 Audi A5 Quattro Sport 2017 Audi Q5 Premium 2017 Audi Q5 Premium Plus