K&N Replacement Air Filter FORD CROWN VICTORIA & MERCURY GRAND MARQUIS 5.0L V8; 86-91

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 1986 Ford LTD Country Squire 1986 Ford LTD Country Squire LX 1986 Ford LTD Crown Victoria 1986 Ford LTD Crown Victoria LX 1986 Mercury Grand Marquis Base 1986 Mercury Grand Marquis Colony Park 1986 Mercury Grand Marquis LS 1987 Ford LTD Crown Victoria Base 1987 Ford LTD Crown Victoria LX 1987 Ford LTD Crown Victoria S 1987 Mercury Grand Marquis GS 1987 Mercury Grand Marquis LS 1988 Ford LTD Crown Victoria Base 1988 Ford LTD Crown Victoria LX 1988 Ford LTD Crown Victoria S 1988 Mercury Grand Marquis GS 1988 Mercury Grand Marquis LS 1989 Ford LTD Crown Victoria Base 1989 Ford LTD Crown Victoria LX 1989 Ford LTD Crown Victoria S 1989 Mercury Grand Marquis GS 1989 Mercury Grand Marquis LS 1990 Ford LTD Crown Victoria Base 1990 Ford LTD Crown Victoria LX 1990 Ford LTD Crown Victoria S 1990 Mercury Grand Marquis GS 1990 Mercury Grand Marquis LS 1991 Ford LTD Crown Victoria Base 1991 Ford LTD Crown Victoria LX 1991 Ford LTD Crown Victoria S 1991 Mercury Grand Marquis GS 1991 Mercury Grand Marquis LS