SKU: 17663078605

K&N Air Filter (33-2009)

Sale price$62.09 Regular price$68.99
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Ships within 48 hours · Estimated delivery Aug 29 - Sep 3

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Description

K&N Air Filter (33-2009)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: 17663078605

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4.3 ★★★★★
Based on 23 reviews
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Verified Purchase
Khan
Omaha, US
★★★★★ 5
Perfect!!
Color: A-Navy Blue, Color: A-Navy Blue
Perfect fit and great quality! The case feels sturdy, protects my iPad well, Love the stand feature and sleek navy blue design! Very light weight, easy to use. Excellent functionality and scratch resistance. The case fits perfectly, offers strong protection with a built-in screen protector.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 14, 2025
M
Verified Purchase
Melissa
Carnegie, US
★★★★★ 5
Get one!
Color: Peacock Blue, Color: Peacock Blue
Very nice IPad case. It fits really nicely. It took a while to get it setup because of how well it fits but it is well worth it. I love the he fact it uses magnets to position the screen instead of tracks. Stays in place while working instead of slipping throughout the day. I would and will recommend and buy again.
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Reviewed in the United States on January 17, 2026
E
Verified Purchase
Evelyn Shi
Alexandria, US
★★★★★ 4
decent case
Color: A-Navy Blue, Color: A-Navy Blue
Its pretty good for its price. it definitely fits and is easy to install. the material is a very nice feel. my only issue is that trying to get to the power button/fingerprint may be a little annoying, Im not sure if its only me though.
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Reviewed in the United States on May 17, 2026
H
Verified Purchase
Han
Boise, US
★★★★★ 5
Works Perfectly for 2025 Apple iPad A16
Color: A-Navy Blue
I was super surprised that the entire case had protective plastic to keep it scratch free before use. I bought it under $20 which is a really reasonable price. I wanted a hard case that could be angled in any which way I needed. I wanted it to be able to be used on a desk, table, my lap, and even in bed. The one major thing that I looked for was it's front cover display to use be used as a stand. A lot of cases use the inside of the cover to be placed face down on surfaces, which in turn, collects debris and other unwanted nastiness. Rarely can you find something as simple as that on Amazon, ironically. I tried it on the table and the magnets are incredibly strong. I lifted up the entire iPad and the front cover stand stuck together. It takes a good amount of force to adjust. That was a massive surprise and major benefit of getting this case that wasn't advertised. I don't care too much for the Apple Pencil holder on the top and feel it's an unnecessary feature. I use my iPad as either an extended display for workflow or just to watch movies, play games, and surf the internet. One of the things I did was remove the screen protector which was super easy to do. I don't need it since I already have a screen protector installed. Installation was super easy and removing the protective plastic was satisfying. The rubber is malleable enough to where it feels sturdy, but it allows installation to be simple and easy. The frame is nice and thick, alongside the protective cover. I have full confidence that if I dropped my iPad, it will survive without issue. I'm not concerned about the color, but it looks as advertised in the photos. I bought the blue one because it was the cheapest one and it ironically matched my blue iPad. Overall, and excellent purchase for an excellent product!
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Reviewed in the United States on August 23, 2025
R
Verified Purchase
RWM
Battle Creek, US
★★★★★ 5
Great product
Color: A-Navy Blue
It is sturdy, and exactly as it looks and promise. I feel very secure with my tablet in this case. No issues with touchscreen anything
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Reviewed in the United States on February 2, 2026

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