K&N Replacement Air Filter - Round 11-13 Audi A6/A6 Quattro / 12-13 A7/A7 Quattro

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: Audi A6 Base 2006 to 2011 Audi A6 Quattro Avant 2006 to 2008 Audi A6 Quattro Avant 2011 Audi A6 Quattro Base 2005 to 2011 Audi A6 Quattro Competition 2017 Audi A6 Quattro Premium 2012 to 2014 Audi A6 Quattro Premium 2018 Audi A6 Quattro Premium Plus 2012 to 2018 Audi A6 Quattro Prestige 2012 to 2018 Audi A6 Quattro Sport 2018 Audi A6 Quattro TDI Premium Plus 2014 to 2016 Audi A6 Quattro TDI Prestige 2014 to 2016 Audi A7 Quattro Base 2012 to 2013 Audi A7 Quattro Competition 2017 Audi A7 Quattro Premium Plus 2014 to 2018 Audi A7 Quattro Prestige 2014 to 2018 Audi A7 Quattro TDI Premium Plus 2014 to 2016 Audi A7 Quattro TDI Prestige 2014 to 2016 Audi S6 Base 2013 to 2015 Audi S6 Premium Plus 2016 to 2018 Audi S6 Prestige 2016 to 2018 Audi S7 Base 2013 to 2016 Audi S7 Premium Plus 2017 to 2018 Audi S7 Prestige 2017 to 2018