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:
Ford Mustang Base 2005
Ford Mustang Base 2006
Ford Mustang Base 2007
Ford Mustang Base 2008
Ford Mustang Base 2009
Ford Mustang Base 2010
Ford Mustang Bullitt 2008
Ford Mustang Bullitt 2009
Ford Mustang GT 2005
Ford Mustang GT 2006
Ford Mustang GT 2007
Ford Mustang GT 2008
Ford Mustang GT 2009
Ford Mustang Shelby GT 2007
Ford Mustang Shelby GT 2008