Now you can improve your 87-93 4-banger pony's performance with a K&N Drop-in Replacement Air Filter. Simply replace your stock restrictive paper air filter with a new high flow K&N air filter and feel an increase in horsepower and acceleration while still providing excellent filtration.Filters out harmful contaminants.
The K&N Drop-in Air Filter filter's out harmful contaminants with it's unique layered design. K&N Air Filters are made up of layers of specially treated cotton gauze that are sandwiched between two epoxy-coated aluminum wire screens for durability. K&N uses a specially formulated grade of oil to treat the cotton gauze layers which causes a tackiness throughout the cotton’s microscopic strands creating a powerful filtering media that ensures engine protection.Drop-In Replacement.
K&N designed this Air filter to be a direct drop-in replacement for the stock 1987-1993 4 cylinder Mustangs air box, no cutting or trimming required.
1987, 1988, 1989, 1990, 1991, 1992, 1993 Details >>