K&N 33-2329

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   6 Customer Reviews
List Price: $75.06
Your Price: USD $47.99

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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™ and will be THE LAST AIR FILTER YOUR VEHICLE WILL EVER NEED.

[More Information on K&N Replacement Air Filters]
  • 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®

Product Specifications

Air Filter ShapePanel
Filter MaterialCotton Gauze
Filter Re-Oiling Amount0.72 oz (21 ml)
Height0.875 in (22 mm)
Outside Length11.563 in (294 mm)
Outside Width7.688 in (195 mm)
Package Contents1 Air Filter
Package Quantity1
Product Box Height11.56 in (294 mm)
Product Box Length10.44 in (265 mm)
Product Box Width1.75 in (44 mm)
Product StyleUnique Air Filters
Weight0.8 lb (0.4 kg)

Product Reviews

Review part 33-2329
Tuesday, October 20, 2015 - Part 33-2329
I previously reported my review of this item already. In any event, this is one of (3) three I have purchased since Sept 29, 2015. I have them on my wife's 2015 Avalon Limited Hybrid and our 2005 PRIUS; the one for my 2016 Mustang Gt Premium convertible has NOT arrived yet. I think they are a great product that saves you money on filter replacement besides getting better gas mileage.

William Davis
Roseville, CA
Monday, October 19, 2015 - Part 33-2329
Just installed it on our 2005 Prius after we put one on my wife's 2015 Avalon Limited Hybrid. The Prius only has 27,000 miles on it. However, the K & N made about a 2 to 3 mpg difference in her 2008 Camry Hybrid XLE so I figured it would hopefully do the same for the Prius. This is the 6th car we have equipped with the K & N air filter we have also ordered one for my new 2016 Mustang GT Premium convertible. Forget about the gas savings, normally the engine air filter gets replaced every 2nd or 3rd oil change so after the 3rd air filter replacement, the K & N air filter is FREE for the rest of the time you own the vehicle. I normally keep all my vehicles over 200,000 or until they start flunking smog so you can see the definite financial advantage of the K & N that most people do NOT think about.

William Davis
Roseville, California
Wednesday, April 08, 2015 - Part 33-2329
I have been buying K&N air filters for the last 10 years. Thank you guys for making one for my Toyota Prius.

Charles Mullis
Conyer, Georgia
Tuesday, March 24, 2015 - Part 33-2329
As usual, the replacement air filter is noticeably superior to the OEM unit. My previous experiences in replacing filters on a 1980 Mercedes 300TD and two 1980s Volvo 145D vehicles indicate an increase in fuel economy and power during hill climbing. This was most obvious on the Volvos but could also be measured on the older Mercedes. Installation on the Prius was simple in itself but we have not yet driven it enough to check the fuel economy which is already 50+ MPG. There doesn't seem to be a measureable difference in horsepower but that figure may well be concealed by the operation of the hybrid system. I know for certain that the new filter will be beneficial simply because of the results with three other vehicles into which a K&N product was installed.

Gardner L Harris
Garden Grove, California
Wednesday, September 03, 2014 - Part 33-2329
We have a 2007 Prius with over a 100,000 miles on it. I installed a new K&N air filter and the MPG picked up 1 mile after the first tank of gas. I have had K&N filters on all of my past cars and trucks, and my brother has now started to use them also.

Tuesday, July 15, 2014 - Part 33-2329
This made an amazing performance difference in my new Mazda Miata MX5. Thanks!!!!!

Dr. Donald Grim