K&N reusable Filtercharger Air Filters are designed to increase horsepower and acceleration while providing excellent filtration. No modification is required to the stock airbox. Flat panel filter measures 10 3/16 x 9 1/2 inches (259mm x 241mm).
Fits 2005-10 Ford Mustang (4.0L V6) and 2005-09 Ford Mustang GT (4.6L V8). Does not fit Bullitt or Shelby editions.