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 KN33-2773 Product Specifications
Product Style: Unique Air Filters
Filter Material: Cotton Gauze
Flanges: None
Height: 0.938 in (24 mm)
Filter Re-Oiling 0.94 oz (28 ml)
Inner Wire: No
Outside Length: 9.375 in (238 mm)
Outside Width: 6.938 in (176 mm)
Top Style: Open

Filter Cross Reference
Fram CA9287
Porsche 99611013103
Porsche 99611013104
Purolator A35437
WIX 42475

2004 PORSCHE BOXSTER 3.2L H6 F/I - All
2004 PORSCHE BOXSTER 2.7L H6 F/I - All
2003 PORSCHE BOXSTER 3.2L H6 F/I - All
2003 PORSCHE BOXSTER 2.7L H6 F/I - All
2002 PORSCHE BOXSTER 3.2L H6 F/I - All
2002 PORSCHE BOXSTER 2.7L H6 F/I - All
2001 PORSCHE BOXSTER 3.2L H6 F/I - All
2001 PORSCHE BOXSTER 2.7L H6 F/I - All
2000 PORSCHE BOXSTER 3.2L H6 F/I - All
2000 PORSCHE BOXSTER 2.7L H6 F/I - All
1999 PORSCHE BOXSTER 3.2L H6 F/I - All
1999 PORSCHE BOXSTER 2.7L H6 F/I - All
1999 PORSCHE BOXSTER 2.5L H6 F/I - All
1998 PORSCHE BOXSTER 2.5L H6 F/I - All
1997 PORSCHE BOXSTER 2.5L H6 F/I - All
1996 PORSCHE BOXSTER 2.5L H6 F/I - All