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 virtually every vehicle 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.

Part KN33-2591 Product Specifications
Product Style: Panel Air Filter
Height: 0.938 in (24 mm)
Outside Length: 20.25 in (514 mm)
Outside Width: 6.188 in (157 mm)
Filter Material: Cotton Gauze
Filter Re-Oiling Amount: 1.89 oz (56 ml)
Inner Wire: No
Top Style: Open

Filter Cross Reference
AC Delco A1325C
Fram CA6581
Mann-Hummel C5283
Napa 6185
Porsche 92811018501
Purolator A25208
WIX 46185

1995 PORSCHE 928 5.4L V8 F/I - All
1994 PORSCHE 928 5.4L V8 F/I - All
1994 PORSCHE 928 4.9L V8 F/I - All
1993 PORSCHE 928 5.4L V8 F/I - All
1993 PORSCHE 928 4.9L V8 F/I - All
1992 PORSCHE 928 5.4L V8 F/I - All
1992 PORSCHE 928 4.9L V8 F/I - All
1991 PORSCHE 928 5.4L V8 F/I - All
1991 PORSCHE 928 5.0L V8 F/I - All
1991 PORSCHE 928 4.9L V8 F/I - All
1990 PORSCHE 928 5.0L V8 F/I - All
1990 PORSCHE 928 4.9L V8 F/I - All
1989 PORSCHE 928 5.0L V8 F/I - All
1989 PORSCHE 928 4.9L V8 F/I - All
1988 PORSCHE 928 5.0L V8 F/I - All
1988 PORSCHE 928 4.9L V8 F/I - All
1987 PORSCHE 928 5.0L V8 F/I - All
1987 PORSCHE 928 4.9L V8 F/I - All
1986 PORSCHE 9285.0L V8 F/I - All
1986 PORSCHE 928 4.9L V8 F/I - All
1986 PORSCHE 928 4.6L V8 F/I - All
1985 PORSCHE 928 5.0L V8 F/I - All
1985 PORSCHE 928 4.9L V8 F/I - All
1985 PORSCHE 928 4.7L V8 F/I - All
1985 PORSCHE 928 4.6L V8 F/I - All
1984 PORSCHE 928 4.7L V8 F/I - All
1984 PORSCHE 928 4.6L V8 F/I - All
1983 PORSCHE 928 4.7L V8 F/I - All
1983 PORSCHE 928 4.6L V8 F/I - All
1982 PORSCHE 928 4.6L V8 F/I - All
1982 PORSCHE 928 4.5L V8 F/I - All
1982 PORSCHE 928 4.4L V8 F/I - All
1981 PORSCHE 928 4.6L V8 F/I - All
1981 PORSCHE 928 4.5L V8 F/I - All
1981 PORSCHE 928 4.4L V8 F/I - All
1980 PORSCHE 928 4.6L V8 F/I - All
1980 PORSCHE 928 4.5L V8 F/I - All
1980 PORSCHE 928 4.4L V8 F/I - All
1979 PORSCHE 928 4.6L V8 F/I - All
1979 PORSCHE 928 4.5L V8 F/I - All
1979 PORSCHE 928 4.4L V8 F/I - All
1978 PORSCHE 928 4.5L V8 F/I - All
1978 PORSCHE 928 4.4L V8 F/I - All
1977 PORSCHE 928 4.4L V8 F/I - All