SKU: 87459320421

K&N Air Filter (33-5009)

Sale price$49.67 Regular price$55.19
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Ships within 48 hours · Estimated delivery Aug 16 - Aug 21

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Description

K&N Air Filter (33-5009)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: 87459320421

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4.2 ★★★★★
Based on 8 reviews
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BrandiLynn0311
Bozeman, US
★★★★★ 5
Mixed Results: SIHRMIU Dog Chew Toys Offered Stimulation, Limited Interest from Aggressive Chewers
I recently purchased the SIHRMIU 2 Pack Dog Chew Toys for Aggressive Chewers with hopes of providing my energetic dogs with both entertainment and stimulation. While these toys boasted durability and were designed to alleviate boredom, my experience with them yielded mixed results. Upon receiving the chew toys, I appreciated their sturdy construction and the promise of durability, which was essential given my dogs' penchant for aggressive chewing. The variety of textures and shapes seemed promising, offering potential for engaging play sessions that could keep my pets occupied and mentally stimulated. Initially, my dogs showed some interest in the toys, eagerly sniffing and exploring them. They seemed intrigued by the different textures and shapes, and I was hopeful that these toys would provide the entertainment they needed. However, as my dogs began to interact more with the toys, it became evident that their interest was short-lived. While they engaged with the toys for brief periods, they quickly lost interest and returned to their usual chewing favorites. Despite their designation for aggressive chewers, the toys did not seem to withstand the intense chewing of my pets as well as expected. Within a short time, I noticed signs of wear and tear, with pieces starting to break off. While the SIHRMIU dog chew toys offered some stimulation and diversion for my dogs, they ultimately failed to hold their interest or stand up to their aggressive chewing habits. While they may be suitable for dogs with less voracious chewing tendencies, they were not a perfect fit for my pets. In conclusion, while these chew toys have potential and may work well for some dogs, they fell short of expectations for my aggressive chewers. I appreciate the effort put into their design and durability, but unfortunately, they did not meet the needs of my furry companions.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 29, 2024
M
Verified Purchase
Melissa Embury
Louisville, US
★★★★★ 5
Chew rope
Size: Small 15", Style: 3 Knot, Pattern Name: Dog, Size: Small 15", Style: 3 Knot, Pattern Name: Dog
Works great for my goldendoodle. It’s held up well to two dogs and lots of playing. It’s nice and large and has held up outdoors in Michigan winters
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 6, 2026
M
Verified Purchase
MURPH
Lexington, US
★★★★★ 5
Sturdy and holding up so far!
Size: Small 15", Style: 3 Knot, Pattern Name: Dog
This is a quality pull toy that my Yorkie ("Finnegan") loves. It is holding together well as my dog can be a maniac at times. Moderate chewing has not hurt this toy. I do not buy toys with squeakers in them as they worry me. Finn entertains himself and then brings toy to me for a tug of war. I recommend this item. Good bang for the buck!
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Reviewed in the United States on February 2, 2026
T
Verified Purchase
TAngell
Lowell, US
★★★★★ 4
Strong
Size: Medium 20", Style: 3 Knot, Pattern Name: Dog
For a five month old puppy with sharp teeth it’s holding up pretty well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 27, 2026
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Verified Purchase
Shaienne
Chelsea, US
★★★★★ 5
EXCELLENT QUALITY
Size: Medium 20", Style: 3 Knot, Pattern Name: Dog
I have a German Shepherd/Pointer mix who is 10 months old. He has been in the throes of teething and destructive exploration. He's chewed up clothing and shoes. He chewed a hole in our couch and one in our brand new mattress (He was never left home alone until this point but as my mother came to visit and my boyfriend was back at work, I had no choice but to trust him alone for about an hour a day for 3 or 4 days... he clearly didn't earn that trust). He loves ropes because he can gnaw them, whip them around, and play tug of war or fetch with them at any given time. We love ropes because they keep him occupied and relieve his desire to chew things. Unfortunately, he was destroying rope after rope after rope. Some ropes were worrisome because they would quickly start fraying and falling apart. We would have to help remove strings he has swallowed from his behind while he was out doing his business... My boyfriend's mother picked up a Mammoth TireBiter tire and rope toy for him but it was much too small. Still, he loved it and it stood up very well to his chompers despite being way too small/weak for him. Looking for a larger version of the Mammoth TireBiters, I stumbled across this rope toy and gave it a shot. Let me tell you, I don't think I will ever buy rope toys from any other brand! We have had this rope for over a month and it is still going strong. It does show some small signs of wear and tear but you would swear we bought it last week. It is very strong and durable. It has held up through many long gnawing sessions. It has been put through countless hours of fetch and tug of war with no signs of giving out any time soon. I am so in love with this rope and so is my pup!
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Reviewed in the United States on September 13, 2020

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