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K&N premium oil filters are meticulously engineered to offer outstanding filtration and engine protection. The heavy-duty canister is engineered to be exceptionally durable, and a one-inch welded hex nut can be used for quick and easy filter removal. Each filter is specifically designed to withstand the service intervals recommended by vehicle manufacturers, and is protected by the K&N 1-Year Limited Warranty. Vehcile Fitment: 2011-2019 PORSCHE Cayenne; 2009-2017 AUDI Q5; 2010-2017 AUDI S5; 2013-2017 AUDI SQ5; 2010-2016 AUDI S4; 2006-2015 AUDI A6; 2005-2015 AUDI A6 Quattro; 2014-2015 AUDI A7; 2012-2015 AUDI A7 Quattro; 2013-2015 AUDI A8 Quattro; 2011-2015 AUDI Q7; 2011-2015 VOLKSWAGEN Touareg; 2014 AUDI A8; 2007-2010 AUDI A5; 2008-2010 AUDI A5 Quattro; 2005-2009 AUDI A4 Quattro; 2009 AUDI A4 Quattro Cabriolet; 2005-2008 AUDI A4