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™.
THE LAST AIR FILTER YOUR VEHICLE WILL EVER NEED.
Designed to boost horsepower and rate of acceleration
Can be cleaned and used again
High air flow with exceptional filtration
Lasts up to 50,000 miles before cleaning is required depending on driving conditions
Works with original equipment manufacturer vehicle electronics
Emissions legal in all 50 US states
Will NOT void vehicle warranty
Million Mile Limited Warranty®
Fitment:
Impreza
RS 2.5L 1999 - w/ OEM 16546AA020 Filter
WRX 2.0L 2004
WRX 2.0L 2005
WRX STI 2.5L 2004
Baja
Sport 2.5L 2004
Sport 2.5L 2005
Sport 2.5L 2006
Turbo 2.5L 2004
Turbo 2.5L 2005
Turbo 2.5L 2006
Forester
Sports 2.5 X 2.5L 2008
Sports 2.5 XT 2.5L 2008
X 2.5L 2005
X 2.5L 2006
X 2.5L 2007
X 2.5L 2008
X L.L. Bean Edition 2.5L 2006
X L.L. Bean Edition 2.5L 2007
X L.L. Bean Edition 2.5L 2008
XS 2.5L 2005
XS L.L. Bean Edition 2.5L 2005
XT 2.5L 2004
XT 2.5L 2005
XT Limited 2.5L 2006
XT Limited 2.5L 2007
XT Limited 2.5L 2008
XT Premium 2.5L 2005
Outback
Base 2.5L 2004 - w/ California Emissions
Base 2.5L 2004 - w/ California Emissions
H6 VDC 3.0L 2004
Limited 2.5L 2004 - w/ California Emissions
Limited 2.5L 2004 - w/ California Emissions