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K&N 33-2451 5.0 out of 5 stars 11 Customer Reviews
Replacement Filters > Replacement Air Filter

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33-2451
 
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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®


Product Specifications 
Air Filter Shape:Panel
Filter Material:Cotton Gauze
Filter Re-Oiling Amount:0.86 oz (26 ml)
Height:0.875 in (22 mm)
Outside Length:10.125 in (257 mm)
Outside Width:6.5 in (165 mm)
Package Contents:1 Air Filter
Package Quantity:1
Part Number:33-2451
Product Box Height:13.56 in (345 mm)
Product Box Length:7.72 in (196 mm)
Product Box Width:1.75 in (44 mm)
Product Style:Panel Air Filter
Weight:1 lb (0.5 kg)


Product Reviews    See all reviews!  Review part 33-2451

 I have been using K&N air filters for over 20 years and I have never had any trouble with them and they consistently last 30,000 miles plus. I usually just replace them when they get old, but you can clean them and reuse them. Although not cheap, well worth the price.
Alan Cinquino, Winter Haven, Florida
 Used this in our '15 Sportage with 2.4L 4cyl. EPA estimated hwy mpg @ 28. Got 32 MPG on recent 600 mile trip. Fully believe a direct result of this filter!!! Very pleased with product.
Brad, Menifee, California
 Awesome product. My gas mileage has gone up a bit as advertised.
Steve, Iowa
 Great
Jacob Gower, West Verginia
 I have ordered this product before and used it in other vehicles. It seems to work very well by helping with gas mileage and performance.
Clifford Cain, Texas
 I live in a very dusty rural area and can't always get the 40+ miles to town to get parts. Being able to clean the K&N filter is a major plus and it saves me a ton of time and money! It filters better than a paper element ever could! I use them in all my vehicles.
Joseph Lantz, Dolan Springs, Arizona
 Love love love my product. Keep up the good work.
Charles , Port Huememe, California