K&N Fox Body Mustang Air Filter

K&N Washable Drop-In Air Filter (1986-93 5.0L)

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K&N’s Washable Drop-In Air Filter for the Fox Body Mustang is designed to increase horsepower and improve acceleration while providing excellent filtration. These filters are washable and reusable and are custom designed to fit into your Mustang's existing factory air box. This drop in design means adding performance is simple, Just unlatch the air box lid, pull out the old paper filter and insert the K&N Drop-In filter. Its that simple. These stock replacement Fox Body Mustang air filters are covered by K&N's famous K&N million mile limited warranty™ and will be the last air filter your vehicle will ever need.

Type: Washable 
Shape: Panel 
Color: Red 
Material: Cotton Gauze 
Height (IN): 1-1/16 Inch 
Length (IN): 11-1/4 Inch 
Width (IN): 8-7/8 Inch

- Designed to Increase Horsepower and Torque 
- Provides Excellent Filtration 
- Washable and Reusable 
- Custom Designed to fit into your Existing Factory Air Box 
- Drop-In Design Means Adding Performance Is Simple 
- Limited Million Mile Warranty

1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993 Mustang 5.0L V8

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  • Great Filter!

    Posted by Eli M. on Nov 13th 2017

    I have used K&N for years. Very happy with their performance and quality.

  • Great Filter

    Posted by Michael Smith on Mar 27th 2017

    I love the K&N filter. I drive a stock 1991 LX and am always happy with what these filters have to offer.

  • K&N is #1

    Posted by Jonathan Spencer on Mar 21st 2017

    It is a great product that improved my gas mileage and even seems to have a noticeable increase in horsepower since installing. Highly recommend buying one of these for your Mustang.

K&N Filtercharger replacement air filter elements are warranted against defective materials or workmanship for one million miles or 10 years, whichever comes first, to the original purchaser who has returned a warranty registration card to K&N. K&N commercial grade air filters have a 3-year or 300,000-mile limited warranty. Any parts used in any racing, competition, off-road, marine, aircraft, or industrial use will void the warranty. All K&N Filtercharger filters designed specifically for racing and off-road uses are warranted against defective materials or workmanship for one year and unlimited mileage.

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