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33-2378
$52.99 USD
MSRP $81.99 35.4% Off
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K&N 33-2378 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 Amount1.02 oz (30 ml)
Height1 in (25 mm)
Outside Length10.625 in (270 mm)
Outside Width6.875 in (175 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 33-2378 Air Filter Product Reviews

See all reviews!
Review part 33-2378
Tuesday, January 12, 2016 - Part 33-2378
Excellent service, great product, prompt delivery 5 stars. Thanks K&N

Joseph
Florida
Tuesday, January 05, 2016 - Part 33-2378
I have K&N in all 3 of our vehicles. That's what I like and that's all I'll use. Nothing but the best for our rides. If NHRA supports a product there's a good chance I'm going to use it. And they support K&N and so do I. Thanks! R.R.

Robert Raymond
Belleville, Michigan
Tuesday, August 11, 2015 - Part 33-2378
I appreciate the K&N Air Filter for my Santa Fe. The boost in performance and increased gas savings is noticeable.Thanks.

Roland G Kuhl
Round Lake Beach, IIlinois
Monday, March 02, 2015 - Part 33-2378
I use K&N in all my vehicles . Love that it's made in USA. Better gas mileage and throttle response. Just wish I received another sticker with last purchase tho.

Ray Novak
Minooka Illinois
Tuesday, August 26, 2014 - Part 33-2378
Quick delivery. Filter appears to have increased the economy (gas mileage). Completely satisfied with service, purchase and ease of installation! Great product. Been using your filters for many years!

William Keller
Costa Mesa, California
Monday, May 12, 2014 - Part 33-2378
More power. Better MPG's, No brainer.

G Ashworth
Florida
Friday, April 04, 2014 - Part 33-2378
Never have to worry about changing my filter again! Love it!

Joanna
Alabama