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33-2331
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K&N 33-2331 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   8 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.

[More Information on K&N Replacement Air Filters]

Product Specifications

Air Filter ShapePanel
Filter MaterialCotton Gauze
Filter Re-Oiling Amount1.25 oz (37 ml)
Height1.188 in (30 mm)
Outside Length16.813 in (427 mm)
Outside Width5 in (127 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 StylePanel Air Filter
Weight1.1 lb (0.5 kg)

K&N 33-2331 Air Filter Product Reviews

Friday, April 08, 2016 - Part 33-2331
Great Product!

Chester Humphrey
Allentown, Pennsylvania
Monday, January 11, 2016 - Part 33-2331
Product came exactly as advertised on exactly the day it was supposed to. Very fast! Would gladly do business again

John
Washington
Monday, November 30, 2015 - Part 33-2331
K&N in my rides since 1990 nothing better.

Bruce
Florida
Thursday, October 29, 2015 - Part 33-2331
Looks and fits great. Engine sounds a bit different and I will not have to think about maintaining it for about two or three years. Thanks for the prompt shipment.

Tom
Grant, Michigan
Wednesday, August 27, 2014 - Part 33-2331
As always awesome product.. Run in all my toys... Thanx

Tim Maloney
Lodi, California
Thursday, July 10, 2014 - Part 33-2331
I installed this filter on my '08 VW Rabbit in no time. My first time replacing something by myself in my own car and it was actually fun. I gained about 10 horse power and I'm very confident driving. Super cool stuff and yes yes yes I will be back to buy more.

Adam
Overland Park, Kansas
Monday, June 09, 2014 - Part 33-2331
Based on a long history of using K&N, I replaced my wife's VW Bug. The instructions were limited as VW has an interesting location for the air filter (under the VW engine cover). Popping the cover took some time. Once popped, then a couple of screws later I had the filter replaced. I am less than a month on the new air filter so can't comment yet on how well it is working.

Mike Saluto
Temple, Texas