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 KN33-2232 Product Specifications
Product Style: Panel Air Filter
Height: 1.063 in (27 mm)
Outside Length: 11 in (279 mm)
Outside Width: 6.563 in (167 mm)
Filter Material: Cotton Gauze
Filter Re-Oiling Amount: 1.05 oz (31 ml)

Filter Cross Reference
Ryco A360
Ryco A1413
AC Delco A975C
Fram CA4309
Mann-Hummel C2964
Motorcraft FA1087
Napa 6116
Purolator A24278
Subaru 16546AA020
WIX 46116

2007 SUBARU IMPREZA WRX STI 2.5L H4 F/I - All
2007 SUBARU IMPREZA WRX 2.5L H4 F/I - All
2007 SUBARU IMPREZA 2.5L H4 F/I - All
2006 SUBARU IMPREZA WRX STI 2.5L H4 F/I - All
2006 SUBARU IMPREZA WRX 2.5L H4 F/I - All
2006 SUBARU IMPREZA 2.5L H4 F/I - All
2005 SUBARU IMPREZA WRX STI 2.5L H4 F/I - All
2005 SUBARU IMPREZA WRX 2.0L H4 F/I - Non-US, Turbo
2005 SUBARU IMPREZA 2.5L H4 F/I - All
2005 SUBARU IMPREZA 2.0L H4 F/I - Turbo
2005 SUBARU FORESTER 2.0L H4 F/I - All
2004 SUBARU LEGACY 2.5L H4 F/I - OEM 16546AA020
2004 SUBARU IMPREZA WRX 2.0L H4 F/I - Non-US, Turbo
2004 SUBARU IMPREZA 2.0L H4 F/I - Turbo
2004 SUBARU FORESTER 2.0L H4 F/I - All
2003 SUBARU OUTBACK 3.0L H6 F/I - Non-US, 209BHP
2003 SUBARU OUTBACK 3.0L H6 F/I - All
2003 SUBARU LEGACY 2.5L H4 F/I - OEM 16546AA020
2003 SUBARU IMPREZA WRX 2.0L H4 F/I - All
2003 SUBARU IMPREZA 2.0L H4 F/I - Turbo
2003 SUBARU FORESTER 2.0L H4 F/I - All
2002 SUBARU OUTBACK 3.0L H6 F/I - All
2002 SUBARU LEGACY 2.5L H4 F/I - OEM 16546AA020
2002 SUBARU IMPREZA WRX STI 2.0L H4 F/I - All
2002 SUBARU IMPREZA WRX 2.0L H4 F/I - All
2002 SUBARU IMPREZA 2.0L H4 F/I - Turbo
2002 SUBARU FORESTER 2.0L H4 F/I - All
2001 SUBARU OUTBACK 3.0L H6 F/I - All
2001 SUBARU LEGACY 2.5L H4 F/I - OEM 16546AA020
2001 SUBARU IMPREZA WRX 2.0L H4 F/I - All
2001 SUBARU IMPREZA 2.0L H4 F/I - Turbo
2001 SUBARU FORESTER 2.0L H4 F/I - All
2000 SUBARU OUTBACK 3.0L H6 F/I - All
2000 SUBARU LEGACY 2.5L H4 F/I - OEM 16546AA020
2000 SUBARU IMPREZA WRX 2.0L H4 F/I - All
2000 SUBARU IMPREZA 2.0L H4 F/I - All
2000 SUBARU IMPREZA 1.8L H4 F/I - All
2000 SUBARU IMPREZA 1.6L H4 F/I - 90BHP
2000 SUBARU FORESTER 2.0L H4 F/I - All
1999 SUBARU LEGACY II 2.5L H4 F/I - All
1999 SUBARU LEGACY II 2.2L H4 F/I - All
1999 SUBARU LEGACY II 2.0L H4 F/I - All
1999 SUBARU LEGACY 2.5L H4 F/I - OEM 16546AA020
1999 SUBARU LEGACY 2.2L H4 F/I - OEM 16546AA020
1999 SUBARU IMPREZA 2.2L H4 F/I - OEM 16546AA020
1999 SUBARU IMPREZA 2.0L H4 F/I - All
1999 SUBARU IMPREZA 1.8L H4 F/I - All
1999 SUBARU IMPREZA 1.6L H4 F/I - 90BHP
1999 SUBARU FORESTER 2.5L H4 F/I - OEM 16546AA020
1999 SUBARU FORESTER 2.0L H4 F/I - All
1998 SUBARU LEGACY OUTBACK 2.5L H4 F/I - All
1998 SUBARU LEGACY II 2.5L H4 F/I - All
1998 SUBARU LEGACY II 2.2L H4 F/I - All
1998 SUBARU LEGACY II 2.0L H4 F/I - All
1998 SUBARU LEGACY 2.5L H4 F/I - OEM 16546AA020
1998 SUBARU LEGACY 2.2L H4 F/I - All
1998 SUBARU IMPREZA 2.0L H4 F/I