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K&N 33-2304 4.9 out of 5 stars 7 Customer Reviews
Replacement Filters > Replacement Air Filter

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33-2304
 
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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. [MORE]
Available Information
33-2304 Cross Reference
Installation Instruction Sheet
Air Filter Test Data
News Story - Simple Subaru Impreza Performance Upgrades
33-2304 Vehicle Applications


Part 33-2304 Product Specifications
Product Style: Panel Air Filter
Height: 0.938 in (24 mm)
Outside Length: 8.75 in (222 mm)
Outside Width: 8.563 in (217 mm)
Air Filter Shape: Panel
Filter Material: Cotton Gauze
Package Contents: 1 Air Filter
Package Quantity: 1
Filter Re-Oiling Amount: 1.06 oz (31 ml)
Weight: 0.89 lb (0.4 kg)
Product Box Length: 10.44 in (265 mm)
Product Box Width: 1.75 in (44 mm)
Product Box Height: 11.56 in (294 mm)



Accessories
99-5050.jpg
99-5050 - Filter Care Service Kit - Squeeze

Product Reviews    See all reviews!  Review part 33-2304

 Good service in shipping the order and the replacement filter fit perfectly. It was just as easy as replacing the OEM filter and the best part is you can clean it as often as you want and reuse the filter. A few dollars for cleaning supplies and filter oil and you're ready to go again.
John Eichelberger, Tulsa, Oklahoma
 Install couldn't be easier. Post install there is noticable extra power when accelerating to pass at freeway speed. No figment of the imagination as my wife and dad also noticed (and didn't know I put in a new filter). Getting an extra 3 miles per gallon highway haven't noticed an increase in city MPG.
Bryant Sutton, Lake Jackson Texas
 Man I dont know where to start here. This filter has not only added more HP but it also has increased my gas millage by 6.7mpg more. I'll never again buy anything else.
Ryan Seidler, Phoenix Arizona

K&N 33-2304 fits the following:
2015 SUBARU WRX 2.0L H4 F/I - All
2014 SUBARU XV CROSSTREK 2.0L H4 F/I - Exc. Hybrid
2014 SUBARU XV 2.0L H4 F/I - Non-US
2014 SUBARU XV 2.0L H4 DSL - All
2014 SUBARU XV 1.6L H4 F/I - All
2014 SUBARU WRX STI 2.5L H4 F/I - All
2014 SUBARU WRX 2.5L H4 F/I - All
2014 SUBARU TRIBECA 3.6L H6 F/I - All
2014 SUBARU OUTBACK 3.6L H6 F/I - All
2014 SUBARU OUTBACK 2.5L H4 F/I - All
2014 SUBARU OUTBACK 2.0L H4 DSL - All
2014 SUBARU LEGACY IV 2.5L H4 F/I - All
2014 SUBARU LEGACY IV 2.0L H4 F/I - All
2014 SUBARU LEGACY IV 2.0L H4 DSL - All
2014 SUBARU LEGACY 3.6L H6 F/I - All
2014 SUBARU LEGACY 2.5L H4 F/I - All
2014 SUBARU IMPREZA WRX STI 2.5L H4 F/I - All
2014 SUBARU IMPREZA WRX 2.5L H4 F/I - All
2014 SUBARU IMPREZA 2.0L H4 F/I - All
2014 SUBARU FORESTER 2.5L H4 F/I - All
2014 SUBARU FORESTER 2.0L H4 F/I - All
2014 SUBARU FORESTER 2.0L H4 DSL - All
2014 LANCIA THEMA 3.0L V6 DSL - All
2013 SUBARU XV CROSSTREK 2.0L H4 F/I - All
2013 SUBARU XV 2.0L H4 F/I - All
2013 SUBARU XV 2.0L H4 DSL - All
2013 SUBARU XV 1.6L H4 F/I - All
2013 SUBARU WRX STI 2.5L H4 F/I - All
2013 SUBARU WRX 2.5L H4 F/I - All
2013 SUBARU TRIBECA 3.6L H6 F/I - All
2013 SUBARU OUTBACK 3.6L H6 F/I - All
2013 SUBARU OUTBACK 2.5L H4 F/I - All
2013 SUBARU OUTBACK 2.0L H4 DSL - All
2013 SUBARU LEGACY IV 2.5L H4 F/I - All
2013 SUBARU LEGACY IV 2.0L H4 F/I - All
2013 SUBARU LEGACY IV 2.0L H4 DSL - All
2013 SUBARU LEGACY 3.6L H6 F/I - All
2013 SUBARU LEGACY 2.5L H4 F/I - All
2013 SUBARU IMPREZA WRX STI 2.5L H4 F/I - All
2013 SUBARU IMPREZA WRX 2.5L H4 F/I - All
2013 SUBARU IMPREZA 2.0L H4 F/I - All
2013 SUBARU FORESTER TURBO 2.5L H4 F/I - All
2013 SUBARU FORESTER 2.5L H4 F/I - All
2013 SUBARU FORESTER 2.0L H4 F/I - All
2013 SUBARU FORESTER 2.0L H4 DSL - All
2013 LANCIA THEMA 3.0L V6 DSL - All
2012 SUBARU XV 2.0L H4 F/I - All
2012 SUBARU XV 2.0L H4 DSL - All
2012 SUBARU XV 1.6L H4 F/I - All
2012 SUBARU WRX STI 2.5L H4 F/I - All
2012 SUBARU WRX 2.5L H4 F/I - All
2012 SUBARU TRIBECA 3.6L H6 F/I - All
2012 SUBARU OUTBACK 3.6L H6 F/I - All
2012 SUBARU OUTBACK 2.5L H4 F/I - All
2012 SUBARU OUTBACK 2.0L H4 DSL - All
2012 SUBARU LEGACY IV 2.5L H4 F/I - All
2012 SUBARU LEGACY IV 2.0L H4 F/I - All
2012 SUBARU LEGACY IV 2.0L H4 DSL - All
2012 SUBARU LEGACY 3.6L H6 F/I - All
2012 SUBARU LEGACY 2.5L H4 F/I - All
2012 SUBARU IMPREZA WRX STI 2.5L H4 F/I - All
2012 SUBARU IMPREZA WRX 2.5L H4 F/I - All
2012 SUBARU IMPREZA 2.0L H4 F/I - All
2012 SUBARU IMPREZA 2.0L H4 DSL - All
2012 SUBARU IMPREZA 1.5L H4 F/I - All
2012 SUBARU FORESTER TURBO 2.5L H4 F/I - All
2012 SUBARU FORESTER 2.5L H4 F/I - All
2012 SUBARU FORESTER 2.0L H4 F/I - All
2012 SUBARU FORESTER 2.0L H4 DSL - All
2012 LANCIA THEMA 3.0L V6 DSL - All
2011 SUBARU TRIBECA 3.6L H6 F/I - All
2011 SUBARU TRIBECA 3.0L H6 F/I - All
2011 SUBARU OUTBACK 3.6L H6 F/I - All
2011 SUBARU OUTBACK 2.5L H4 F/I - All
2011 SUBARU OUTBACK 2.0L H4 DSL - All
2011 SUBARU LEGACY IV 2.5L H4 F/I - All
2011 SUBARU LEGACY IV 2.0L H4 F/I - All
2011 SUBARU LEGACY IV 2.0L H4 DSL - All
2011 SUBARU LEGACY 3.6L H6 F/I - All
2011 SUBARU LEGACY 2.5L H4 F/I - All
2011 SUBARU IMPREZA WRX STI 2.5L H4 F/I - All
2011 SUBARU IMPREZA WRX 2.5L H4 F/I - All
2011 SUBARU IMPREZA 2.5L H4 F/I - All
2011 SUBARU IMPREZA 2.0L H4 F/I - All
2011 SUBARU IMPREZA 2.0L H4 DSL - All
2011 SUBARU IMPREZA 1.5L H4 F/I - All
2011 SUBARU FORESTER TURBO 2.5L H4 F/I - All
2011 SUBARU FORESTER 2.5L H4 F/I - All
2011 SUBARU FORESTER 2.0L H4 F/I - All
2011 SUBARU FORESTER 2.0L H4 DSL - All
2011 LANCIA THEMA 3.0L V6 DSL - All
2010 SUBARU TRIBECA 3.6L H6 F/I - All
2010 SUBARU TRIBECA 3.0L H6 F/I - All
2010 SUBARU OUTBACK 3.6L H6 F/I - All
2010 SUBARU OUTBACK 2.5L H4 F/I - All
2010 SUBARU OUTBACK 2.0L H4 DSL - All
2010 SUBARU LEGACY IV 2.5L H4 F/I - All
2010 SUBARU LEGACY IV 2.0L H4 F/I - All
2010 SUBARU LEGACY IV 2.0L H4 DSL - All
2010 SUBARU LEGACY 3.6L H6 F/I - All
2010 SUBARU LEGACY 2.5L H4 F/I - All
2010 SUBARU IMPREZA WRX STI 2.5L H4 F/I - All
2010 SUBARU IMPREZA WRX 2.5L H4 F/I - All
2010 SUBARU IMPREZA 2.5L H4 F/I - All
2010 SUBARU IMPREZA 2.0L H4 F/I - All
2010 SUBARU IMPREZA 2.0L H4 DSL - All
2010 SUBARU IMPREZA 1.5L H4 F/I - All
2010 SUBARU FORESTER 2.5L H4 F/I - All
2010 SUBARU FORESTER 2.0L H4 F/I - All
2010 SUBARU FORESTER 2.0L H4 DSL - All
2010 CHRYSLER 300C 3.0L V6 DSL - All
2009 SUBARU TRIBECA 3.6L H6 F/I - All
2009 SUBARU TRIBECA 3.0L H6 F/I - All
2009 SUBARU OUTBACK 3.0L H6 F/I - All
2009 SUBARU OUTBACK 2.5L H4 F/I - All
2009 SUBARU OUTBACK 2.0L H4 DSL - All
2009 SUBARU LEGACY IV 3.0L H6 F/I - All
2009 SUBARU LEGACY IV 2.5L H4 F/I - 165BHP
2009 SUBARU LEGACY IV 2.0L H4 F/I - All
2009 SUBARU LEGACY IV 2.0L H4 DSL - All
2009 SUBARU LEGACY GT 2.5L H4 F/I - All
2009 SUBARU LEGACY 3.0L H6 F/I - All
2009 SUBARU LEGACY 2.5L H4 F/I - All
2009 SUBARU IMPREZA WRX STI 2.5L H4 F/I - All
2009 SUBARU IMPREZA WRX STI 2.0L H4 F/I - All
2009 SUBARU IMPREZA WRX 2.5L H4 F/I - All
2009 SUBARU IMPREZA WRX 2.0L H4 F/I - All
2009 SUBARU IMPREZA 2.5L H4 F/I - All
2009 SUBARU IMPREZA 2.0L H4 F/I - All
2009 SUBARU IMPREZA 2.0L H4 DSL - All
2009 SUBARU IMPREZA 1.5L H4 F/I - All
2009 SUBARU FORESTER 2.5L H4 F/I - All
2009 SUBARU FORESTER 2.0L H4 F/I - All
2009 SUBARU FORESTER 2.0L H4 DSL - All
2009 CHRYSLER 300C 3.0L V6 DSL - All
2008 SUBARU TRIBECA 3.6L H6 F/I - All
2008 SUBARU TRIBECA 3.0L H6 F/I - All
2008 SUBARU OUTBACK 3.0L H6 F/I - All
2008 SUBARU OUTBACK 2.5L H4 F/I - All
2008 SUBARU OUTBACK 2.0L H4 DSL - All
2008 SUBARU LEGACY IV 3.0L H6 F/I - All
2008 SUBARU LEGACY IV 2.5L H4 F/I - 165BHP
2008 SUBARU LEGACY IV 2.0L H4 F/I - All
2008 SUBARU LEGACY IV 2.0L H4 DSL - All
2008 SUBARU LEGACY GT 2.5L H4 F/I - All
2008 SUBARU LEGACY 3.0L H6 F/I - All
2008 SUBARU LEGACY 2.5L H4 F/I - All
2008 SUBARU IMPREZA WRX STI 2.5L H4 F/I - All
2008 SUBARU IMPREZA WRX STI 2.0L H4 F/I - All
2008 SUBARU IMPREZA WRX 2.5L H4 F/I - All
2008 SUBARU IMPREZA WRX 2.0L H4 F/I - All
2008 SUBARU IMPREZA 2.5L H4 F/I - All
2008 SUBARU IMPREZA 2.0L H4 F/I - All
2008 SUBARU IMPREZA 2.0L H4 DSL - All
2008 SUBARU IMPREZA 1.5L H4 F/I - All
2008 SUBARU FORESTER 2.0L H4 F/I - From 4/08
2008 SUBARU FORESTER 2.0L H4 DSL - All
2008 CHRYSLER 300C 3.0L V6 DSL - All
2007 SUBARU TRIBECA 3.0L H6 F/I - All
2007 SUBARU OUTBACK 3.0L H6 F/I - All
2007 SUBARU OUTBACK 2.5L H4 F/I - All
2007 SUBARU LEGACY IV 3.0L H6 F/I - All
2007 SUBARU LEGACY IV 2.5L H4 F/I - 165BHP
2007 SUBARU LEGACY IV 2.0L H4 F/I - All
2007 SUBARU LEGACY GT 2.5L H4 F/I - All
2007 SUBARU LEGACY 2.5L H4 F/I - All
2007 SUBARU IMPREZA WRX STI 2.0L H4 F/I - All
2007 SUBARU IMPREZA WRX 2.0L H4 F/I - All
2007 SUBARU IMPREZA 2.0L H4 F/I - All
2007 SUBARU IMPREZA 1.5L H4 F/I - All
2007 SUBARU B9 TRIBECA 3.0L H6 F/I - All
2007 CHRYSLER 300C 3.0L V6 DSL - All
2006 SUBARU TRIBECA 3.0L H6 F/I - All
2006 SUBARU OUTBACK XT 2.5L H4 F/I - All
2006 SUBARU OUTBACK 3.0L H6 F/I - All
2006 SUBARU OUTBACK 2.5L H4 F/I - All
2006 SUBARU LEGACY IV 3.0L H6 F/I - All
2006 SUBARU LEGACY IV 2.5L H4 F/I - 165BHP
2006 SUBARU LEGACY IV 2.0L H4 F/I - All
2006 SUBARU LEGACY GT 2.5L H4 F/I - All
2006 SUBARU LEGACY 2.5L H4 F/I - All
2006 SUBARU B9 TRIBECA 3.0L H6 F/I - All
2006 CHRYSLER 300C 3.0L V6 DSL - All
2005 SUBARU TRIBECA 3.0L H6 F/I - All
2005 SUBARU OUTBACK XT 2.5L H4 F/I - All
2005 SUBARU OUTBACK 3.0L H6 F/I - All
2005 SUBARU OUTBACK 2.5L H4 F/I - All
2005 SUBARU LEGACY IV 3.0L H6 F/I - All
2005 SUBARU LEGACY IV 2.5L H4 F/I - 165BHP
2005 SUBARU LEGACY IV 2.0L H4 F/I - 138/165BHP
2005 SUBARU LEGACY GT 2.5L H4 F/I - All
2005 SUBARU LEGACY 2.5L H4 F/I - All
2005 CHRYSLER 300C 3.0L V6 DSL - All
2004 SUBARU OUTBACK 3.0L H6 F/I - Non-US, 245BHP
2004 SUBARU OUTBACK 3.0L H6 F/I - 245BHP, Non-US
2004 SUBARU OUTBACK 2.5L H4 F/I - Non-US
2004 SUBARU LEGACY IV 3.0L H6 F/I - All
2004 SUBARU LEGACY IV 2.5L H4 F/I - 165BHP
2004 SUBARU LEGACY IV 2.0L H4 F/I - 138BHP
2003 SUBARU OUTBACK 3.0L H6 F/I - Non-US, 245BHP
2003 SUBARU OUTBACK 2.5L H4 F/I - Non-US, 165BHP
2003 SUBARU LEGACY IV 3.0L H6 F/I - All
2003 SUBARU LEGACY IV 2.5L H4 F/I - 165BHP
2003 SUBARU LEGACY IV 2.0L H4 F/I - 138BHP