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K&N 33-2281 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   36 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®
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.

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Product Specifications

Air Filter ShapePanel
Filter MaterialCotton Gauze
Filter Re-Oiling Amount1.27 oz (38 ml)
Height1.563 in (40 mm)
Outside Length14.063 in (357 mm)
Outside Width6.563 in (167 mm)
Package Contents1 Air Filter
Package Quantity1
Product Box Height17.19 in (437 mm)
Product Box Length8.31 in (211 mm)
Product Box Width1.75 in (44 mm)
Product StyleUnique Air Filters
Weight1.1 lb (0.5 kg)

K&N 33-2281 Air Filter Product Reviews

Monday, July 18, 2016 - Part 33-2281
I am very happy with the filters. I put them on both my cars and they work very well. I would highly recommend them!

Omar Hernandez
Conroe, Texas
Tuesday, July 5, 2016 - Part 33-2281
My FJ feels like it was new again.

Gary Smith
Long Beach, California
Monday, May 9, 2016 - Part 33-2281
Very happy. Thank you!

Neil Otsuki
Tuesday, March 29, 2016 - Part 33-2281
I have been using K&N filters in all of my vehicles for years and love them. I purchased a new truck and the first thing I did was change the filter. Thanks K&N! My wife's new Subaru is next.

Bill Presley
Athens, Alabama
Monday, March 14, 2016 - Part 33-2281
Fast shipping. Fit as I expected, awesome,,,, More air to my flowmaster thunder 50 series catback exhaust.

Manuel Cabico Jr
Lanai City, Hawaii
Thursday, January 21, 2016 - Part 33-2281
Fast shipping and good service. Thank you

Charles Muniz
Kauai, Hawaii
Sunday, January 10, 2016 - Part 33-2281
Works great - very satisfied with product.

Ed Patterson
Point Pleasant, West Virginia