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K&N 33-2309 5.0 out of 5 stars 2 Customer Reviews
Replacement Filters > Replacement Air Filter

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33-2309
 
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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 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®
Available Information
33-2309 Cross Reference
Installation Instruction Sheet
33-2309 Vehicle Applications
Air Filter Test Data


Part 33-2309 Product Specifications
Product Style: Panel Air Filter
Height: 0.938 in (24 mm)
Outside Length: 12 in (305 mm)
Outside Width: 6.813 in (173 mm)
Air Filter Shape: Panel
Filter Material: Cotton Gauze
Package Contents: 1 Air Filter
Package Quantity: 1
Filter Re-Oiling Amount: 1.03 oz (30 ml)
Weight: 1.1 lb (0.5 kg)
Product Box Length: 7.72 in (196 mm)
Product Box Width: 1.75 in (44 mm)
Product Box Height: 13.56 in (345 mm)



Product Reviews      Review part 33-2309

 This is the fourth air filter I have purchased. I have also purchased three air filter kits. All have exceeded my expectations. KN is a top notch product.
Dave Skutnik, Nebraska
 I've had K&N in all my cars for the past 20 years. The response after install is always noticeable whether on my C5 Vette, Honda van, wife's Buick or my 49 Ford w/LS3 engine. My biggest problem has been my wife has gon in for oil changes and the dummies do not read the notice and replace my K&N with paper. Keep up improving em.
Lewis, Pflugerville, Texas