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33-2309
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K&N 33-2309 Air Filter

Replacement Filters > Replacement Air Filter
Rating Star 1 Rating Star 2 Rating Star 3 Rating Star 4 Rating Star 5   5.0 out of 5 stars   16 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 Amount1.03 oz (30 ml)
Height0.938 in (24 mm)
Outside Length12 in (305 mm)
Outside Width6.813 in (173 mm)
Package Contents1 Air Filter
Package Quantity1
Product Box Height13.56 in (345 mm)
Product Box Length7.72 in (196 mm)
Product Box Width1.75 in (44 mm)
Product StylePanel Air Filter
Weight1.1 lb (0.5 kg)

K&N 33-2309 Air Filter Product Reviews

Friday, June 3, 2016 - Part 33-2309
Very well made and constructed filter. Though the filter went into a Honda minivan, I noticed an improvement in acceleration and fuel economy. Recommended.

George Weisbeck
De Pere, Wisconsin
Friday, June 3, 2016 - Part 33-2309
I wish I had known about this product, could have save hundreds of greens. I did install by myself, very easy and well explained. Thank you.

Imran Khateeb
Houston, Texas
Tuesday, May 31, 2016 - Part 33-2309
Great product! I bought it for my 2014 Honda Ridgeline and my wife's 2015 Honda Pilot. Fit perfect.

Alex
Newtown, Connecticut
Wednesday, December 23, 2015 - Part 33-2309
Excellent product

Luis J Valdes
Saratoga, California
Sunday, August 2, 2015 - Part 33-2309
A great product. I have been using K&N filters for years in all my vehicles, weather it is a car or motorcycle. You buy one, put it in, clean it when it is needed, oil it, put it back in. Never buy a disposable paper one again They make you engine breather freer.

Nicholas Miele Jr.
Whittier, California
Wednesday, July 22, 2015 - Part 33-2309
Both filters were installed concurrently. Subjective improvement in acceleration. Objective fuel economy improvement achieved. Mixed driving returned 17-17.5 mpg prior to K&N filters. Mixed driving now returns 18-18.6 mpg. Highway driving has been equivalent so far, but speeds were also higher than anticipated.

Steve Walker
Pennsylvania
Tuesday, July 21, 2015 - Part 33-2309
This is my fourth K&N filter application and they have all performed better than advertised.

James B Harrison
Wylie, Texas