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.

Vehicle Fitment

Years	Make	Model	Trim
2006–2011	Audi	A6	Base
2006–2008, 2011	Audi	A6 Quattro	Avant
2005–2011	Audi	A6 Quattro	Base
2017	Audi	A6 Quattro	Competition
2012–2014, 2018	Audi	A6 Quattro	Premium
2012–2018	Audi	A6 Quattro	Premium Plus
2012–2018	Audi	A6 Quattro	Prestige
2018	Audi	A6 Quattro	Sport
2014–2016	Audi	A6 Quattro	TDI Premium Plus
2014–2016	Audi	A6 Quattro	TDI Prestige
2012–2014	Audi	A7 Quattro	Base
2017	Audi	A7 Quattro	Competition
2015–2018	Audi	A7 Quattro	Premium Plus
2014–2018	Audi	A7 Quattro	Prestige
2014–2016	Audi	A7 Quattro	TDI Premium Plus
2014–2016	Audi	A7 Quattro	TDI Prestige
2013–2015	Audi	S6	Base
2016–2018	Audi	S6	Premium Plus
2016–2018	Audi	S6	Prestige
2013–2016	Audi	S7	Base
2017–2018	Audi	S7	Premium Plus
2017–2018	Audi	S7	Prestige