SKU: 40594257445

K&N Air Filter (33-2254)

Sale price$45.35 Regular price$50.39
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Ships within 48 hours · Estimated delivery Aug 14 - Aug 19

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Description

K&N Air Filter (33-2254)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

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.

Features:

  • 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

Most air filters on the market are a compromise. Many high-performance filters deliver better airflow, but sacrifice filtering ability and engine protection in the process. OEM filters, which are usually made of paper, filter adequately but at the expense of airflow. And airflow decreases as these air filters become dirty. Not so the K&N air filter. K&N air filters increase airflow without decreasing filtration ability, and the increased airflow remains consistent throughout the filter's service interval. The secret is in the K&N filter's construction.

K&N's initial goal was to develop a filter that would deliver increased airflow during dirty, dusty off-road racing conditions. Increased airflow improves the efficiency of the combustion process, increasing horsepower and torque. But just increasing airflow without ensuring adequate filtration under those conditions would result in a ruined engine. K&N's solution was a filter design consisting of 4 to 6 layers of cotton gauze sandwiched between two aluminum wire screens. The cotton is then treated with a specially formulated grade of oil that causes tackiness throughout the cotton’s microscopic strands. The resulting K&N filter not only delivers increased airflow while trapping dirt particles that could harm your engine, that level of airflow is maintained even as the filter gets dirty. The layers of oiled cotton fibers in the K&N filter trap dirt particles that are smaller than the holes in the filter media. The thickness of the layers also allows the K&N filter to trap dirt and dust on many levels, trapping more dirt without decreasing airflow. Contrast this with a paper filter that only traps dirt on its surface; as the surface area becomes clogged, the airflow rate goes down.

Each K&N air filter is custom designed to fit into your existing factory air box. The K&N filter is economical because it's the last air filter you'll have to buy for your car. It can be washed and reused many times, and since you can usually drive up to 50,000 miles between servicing, you won't have to clean it very often. And every K&N filter is backed by K&N's Million Mile Limited Warranty. By the way, check the CARiD reviews and read what the customers think of K&N porducts.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 40594257445

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4.8 ★★★★★
Based on 17 reviews
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Verified Purchase
Sean B
Birmingham, US
★★★★★ 1
Beware of poor quality issues!
Color: Orange - 3.15Inch, Color: Orange - 3.15Inch
Got limited use out of ball, seemed to have quite a strong motor and was going to be a good buy. But upon going to recharge it for the first time, discovered the USB port was completely loose/not attached. Will steer clear of this brand going forward.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2026
A
AmazonCustomer
Lowell, US
★★★★★ 5
The Ball Never Gets Boring
Color: ‌Tangerine - 3.15Inch
My dog was immediately curious about this ball, and that curiosity turned into a surprisingly long play session. The movement keeps things unpredictable enough that it holds attention longer than a standard toy. I liked that it encouraged activity without requiring me to constantly throw something across the room. The textured surface also seemed easy for my dog to grab and carry around. One thing I noticed is that hard floors allow the ball to move around much more dramatically than carpet. It feels sturdy enough to handle enthusiastic play and occasional chewing. The bright color makes it easy to spot when it inevitably ends up under furniture. Charging was simple and didn’t become a hassle.
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Reviewed in the United States on June 13, 2026
A
Amazon Customer
New York, US
★★★★★ 5
Tough build for rowdy play sessions
Color: ‌Tangerine - 3.15Inch
I picked up this motorized E-TPU dog ball last Thursday to keep my German Shepherd occupied during my afternoon video conferences in Folsom. The product quality is evident in the spongy, high-density foam construction, which provides a satisfying grip for his jaws without sustaining a single tear or puncture. The built-in motion sensor is highly responsive, sending the ball into an unpredictable frenzy of hops and spins whenever it gets nudged. It offers excellent value for money because the structural integrity holds up perfectly against aggressive chewing that would normally shred standard rubber toys in minutes. For a parent or professional needing a functional, autonomous distraction to burn off their pet's excess energy indoors, this rugged smart toy delivers a very reliable and quiet performance.
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Reviewed in the United States on June 11, 2026
G
Glamper
Dallas, US
★★★★★ 5
My dog really likes it
Color: ‌Tangerine - 3.15Inch
My golden retriever has a lot of energy, especially on rainy days when we can’t stay outside for long. This rolling ball has been a fun way to keep him entertained indoors. The movement is unpredictable enough to keep him interested, and he’ll follow it around the living room until he’s ready for a nap. The material has held up well to daily play, and it’s easy to recharge when needed. Watching him chase it around has honestly been entertaining for the whole family. Great toy for keeping active dogs busy. What I like most is that it gives him something to do without needing constant attention from us. The ball rolls on its own, changes direction, and keeps him engaged much longer than some of his other toys. A nice option for dogs that need extra stimulation during the day.
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Reviewed in the United States on June 7, 2026
C
Verified Purchase
C. Rocco
Phoenix, US
★★★★★ 5
Keeps my puppy happy!!
Color: Orange - 3.15Inch
My 8 month old puppy loves this ball!! He is so happy when we charge it up for him!! It's great because it keeps him busy for a few minutes and it tires him out. This is our second one so we always have one ready to go for him.
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Reviewed in the United States on May 27, 2026

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