SHOP FOR YOUR VEHICLE
33-2154
$54.99 USD
MSRP $84.79 35.1% Off
Free Ground Shipping!
In Stock & Ready to Ship! Find a Dealer

K&N 33-2154 Air Filter

Replacement Filters > Replacement Air Filter
Rating Star 1 Rating Star 2 Rating Star 3 Rating Star 4 Rating Star 5   4.9 out of 5 stars   15 Customer Reviews
  • 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®
The K&N 33-2154 Air Filter fits some Subaru Baja, Subaru Baja Sport, Subaru Forester, Subaru Impreza, Subaru Impreza II, Subaru Impreza II WRX, Subaru Impreza II WRX STI, Subaru Impreza RS, Subaru Impreza WRX, Subaru Legacy, Subaru Legacy III, Subaru Liberty, Subaru Outback, and Subaru Outback I models. See vehicle applications link for 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 the majority of vehicles 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 Information on K&N Replacement Air Filters]

Product Specifications

Air Filter ShapePanel
Filter MaterialCotton Gauze
Height0.938 in (24 mm)
Outside Length14.5 in (368 mm)
Outside Width6.5 in (165 mm)
Package Contents1 Air Filter
Package Quantity1
Warranty1,000,000 Miles/10 Year
Product StylePanel Air Filter
Weight1.2 lb (0.5 kg)
Filter Re-Oiling Amount1.39 oz (41 ml)
Product Box Height1.75 in (44 mm)
Product Box Length17.19 in (437 mm)
Product Box Width8.31 in (211 mm)

K&N 33-2154 Air Filter Product Reviews

Monday, April 2, 2018 - Part 33-2154
Great product & I have one in all of our vehicles.

Chris Queen
Milton, United States
Friday, November 3, 2017 - Part 33-2154
First thing I do when I get a new vehicle is swap out the air and oil filters with K&N Great product.

Cliffton Grimes
Chehalis, Washington
Wednesday, July 19, 2017 - Part 33-2154
My 2003 Subaru Baja has 130,000 miles, and I just installed the filter. It's too early to tell if there is an improvement in gas mileage, but it definitely increased horsepower.

Hanford Newton
Vian, Oklahoma