K&N - High Flow Air Filter (2008+ WRX / 2008-2018 STI)
   Quick Product Info
Brand: K&N
Part #: F-KNN-33-2304
Color: Red
Filter Material: Cotton
Filter Type: Wet
Reusable: Yes
   Confirmed Applications
2008-2017 Subaru WRX
2008-2017 Subaru STi
2008-2010 Subaru Impreza 2.5
2012-2014 Subau Impreza 2.0
2009-2012 Subaru Forester X
2009-2013 Subaru Forester XT
2006-2013 Subaru Legacy 2.5
2008-2009 Subaru Legacy 3.0R
2010-2013 Subaru Legacy 3.6R
2005-2009 Subaru Legacy 2.5 GT
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Product Details

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.