SKU: 86670285641

K&N Air Filter (33-2155)

Sale price$52.19 Regular price$57.99
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Ships within 48 hours · Estimated delivery Sep 2 - Sep 7

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Description

K&N Air Filter (33-2155)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: 86670285641

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4.3 ★★★★★
Based on 20 reviews
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MartinReviews
Lexington, US
★★★★★ 5
A great laptop stand
At first, I was skeptical of the price, especially when I opened up the box and what I was presented with was nothing but a thick chunk of shaped metal. However, now that I've been using this for a bit of time, I can attest to it's quality: 1. This thing is STURDY. One of my children is a curious (read: nosy) four year old who loves to inspect anything she can get her hands on. No amount of her typing, tugging, pulling or otherwise manipulation of the work laptop upon this stand has budged it in the slightest. Unless you are (an adult) intentionally trying to remove the laptop from the stand, your computer is very stable. 2. It's actually great for hiding wires. It has a hole in the back for tunneling wires towards/away from the computer, and this stand being the hunk of metal that it is, does a nice job obscuring such wires, which gives the stand a nice, clean look on a desk with a little bit of care. For some people, this matters a lot, which gives this stand an edge over the more architecturally sparse stands on Amazon. 3. The space between the "legs" of the stand and the "floor" where your computer rests is a great place to hide your phone while getting work done. I put mine on a charger and hide my phone there, which is really nice for limiting any tendencies to check my phone when I have a lull in my attention span. Since you can't see the phone when it rests there, but you can still hear it, I found myself pleasantly surprised that this stand could enable better productivity from my bad habits. It's a good stand and it's worth the money, especially if you have dual monitors and/or you're trying to improve the ergonomics of your workspace.
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Reviewed in the United States on September 14, 2024
B
Verified Purchase
Ben J
Cuba, US
★★★★★ 5
Timeless and sturdy!
Such a huge fan of this company. We've bought multiple stands and loved them. I had the older more silver ones previously but got the black one for my newer Mac and it's awesome. The design is perfect. and it's helpful not just for the function of holding the stand, but it's helping keep the laptop cool by drawing heat away and also airflow/etc. I had a guy in the office the other day come ask me if he could swap me for the black one because he loved it so much. lol. Anyway, great stands. We've been buying from this company for almost 10 years. Solid. They look as new today as they did when we bought the first one.
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Reviewed in the United States on September 30, 2025
D
Verified Purchase
Dorian Brooks
Bozeman, US
★★★★★ 5
Does what it needs to
-Solid -One piece construction -Great accentuation of my laptop -Pleasant angle to still keyboard if you need to -Rubberized feet keep it in place -Reasonably priced
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Reviewed in the United States on October 8, 2025
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Verified Purchase
Luna L.
Los Angeles, US
★★★★★ 5
Works great in my setup
I got this for my work desk, and it does exactly what it's advertised to do: it holds my laptop (which is 16 inches). And it doesn't wobble and shake whenever I type on my external keyboard (I use a Unicomp Ultra Classic, which uses buckling springs, so I'm putting a decent amount of force into each keypress - if a stand is not stable, it will be immediately obvious to me), and I can even move my mouse underneath the stand without running into any problems. (Before, when my laptop was sitting directly on the desk, it was annoying how it made me move my keyboard around and inhibited my range of mouse movement, but now I can place my keyboard right where I want it and use my mouse as I please.) The stand feels very sturdy and well-constructed, and it keeps my laptop at eye level. Height-adjust would be nice, but I have yet to find a good quality adjustable laptop stand, so I'll just use books to adjust it if the need arises. The box it comes in is also quite nice. This thing freed up desk space where I needed it and is unlikely to ever fail (there are no moving parts), so I wholeheartedly recommend it to anyone looking for a laptop stand.
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Reviewed in the United States on July 8, 2023
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Verified Purchase
Hector Opazo
Louisville, US
★★★★★ 4
Beautiful design
Simple, functional and beautifully designed, I'm glad I bought it. (not a five starts just because I thought it was higher, but again, my fault for not reviewing the specs first)
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Reviewed in the United States on October 29, 2024

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