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https://www.nicoclub.com/archives/kn-vs-oem-filter.html
The AC Delco filter test ran for 60 minutes before exceeding the restriction limit while the AMSOIL and K&N tests each ran for 20 and 24 minutes respectively before reaching max restriction. In 60 minutes the AC Filter accumulated 574gms of dirt and passed only 0.4gms. After only 24 minutes the K&N had accumulated 221gms of dirt but passed 7.0gms.
https://www.liveabout.com/kandn-million-mile-air-filter-review-533699
K&N claims the re-useable air filter saves money and landfill waste, and that their filters are less prone to air restriction as they get dirty. (Restricted airflow causes a reduction in engine power and fuel economy.) Retail prices range from $35 to $80+ depending on the application.
https://www.ripoffreport.com/reports/kn-kn-air-filters/internet/kn-kn-air-filters-defective-filters-can-cause-fire-or-stuck-full-throttle-recall-inte-368450
Jul 13, 2011 · Facts are facts. K&N defends the fact a person may view openings right through a K&N filter media with their micronic invisible oily hairs nonsense. Bottom line, maximum engine life is achieved with a good pleated paper air filter. . The claim by K&N that their filters become more efficient as they collect debris is quite telling. Of course, as ...
https://forums.anandtech.com/threads/so-wait-k-n-air-filters-really-just-lots-more-dirt-in-your-engine.2040364/
Jan 12, 2010 · I saw a link in the sig of someone here (I forgot who they are now) that was to a test of air filters that seemed to show that K&N air filters really kinda suck - that they don't offer any appreciable boost in power and let something like 45X more dirt than standard filter.
http://knfiltersreview.com/
K&N product reviews can be a helpful tool when looking to buy a K&N air filter, air intake, oil filter or cabin air filter for your vehicle. - Real testimonials from real people.
http://www.carreview.com/product/parts/intakes-filters/k-and-n/performance-filter.html
After 10,000 miles w/K&N air filter, engine light came on, Air Flow sensor had oil on it causing light to come on, technician noticed K&N label and determined the oil from the filter caused the problem, instead of going thru this again, I changed to normal paper filter.3.9/5(122)
https://www.carsdirect.com/aftermarket-parts/advantages-and-disadvantages-of-a-kn-air-intake-system
Jul 02, 2012 · It should be noted that this only applies to K&N’s air intake systems, and not the filter itself, which does not violate any of California’s strict emissions laws. There are very few reasons not to buy a K&N intake system, as with K&N products, you always know what you are getting.
https://www.autoblog.com/2005/09/07/how-well-do-k-n-air-filters-work/
How well do K&N air filters work? ... pursued a path of testing that eventually ended with a lab performing the ISO 5011 procedure on a number of replacement air filters. ... the K&N filter used ...
https://www.carid.com/kn/reviews/air-intakes.html
Nov 17, 2016 · K&N® Performance Air Intake Systems Reviews. Average rating: 4.7 - 466 reviews. ... So far so good, I have been using it for a month now. I just wanted something to cover my K&N air filter so I will not have to change it on a regular basis. That air filter is kind to be costly so I was looking for something that could help me to protect from ...
https://www.consumerreports.org/cro/air-filters.htm
Clear the air with the best air filter. The most efficient models filter dust, pollen, and smoke without impeding the flow of air. View our ratings and reviews and browse our buying guide to find ...
https://www.reddit.com/r/cars/comments/3v5n7m/kn_air_filter_review_debunking_the_myths_and_why/
K&N: The idea that varying air pressure can dislodge dust particles from an air filter is significant, but only when discussing dry paper filter media. Oiled media does a very good job of keeping captured dust in place in the filter, unless outside force is applied to knock it loose, and Mr. Spicer was able to observe this during his visit to K ...
https://www.youtube.com/watch?v=Y1AbU63Pp4o
Sep 06, 2014 · Check out the insides of a filter as we do some surgery to show you what the very best parts look like, and why K&N uses them - even the internal pieces that you can't normally see.
https://www.knfilters.com/faq
K&N® air filter designs are subjected to ISO 5011 testing involving coarse and fine test dust, and the test results are measured by a specific air filtration efficiency number. K&N® filters are designed to provide exceptional airflow while simultaneously targeting an overall filtration efficiency that …
https://www.amazon.com/engine-air-filter-washable-reusable/product-reviews/B00062YILO
May 04, 2019 · Find helpful customer reviews and review ratings for K&N engine air filter, washable and reusable: 1991-2004 Toyota L4/V6/V8 (Land Cruiser, Tacoma, 4 Runner, Supra, Chaser, Soarer, Supra, Mark II) 33-2054 at Amazon.com. Read honest and unbiased product reviews from our users.4.5/5(65)
http://knfiltersreview.com/kn-oil-filter-reviews.aspx
K&N Oil Filter Reviews. K&N Oil Filter Reviews and Testimonials can be a helpful tool when looking to buy a K&N oil filter for your car or truck. K&N oil filter reviews include automotive & motorcycle oil filter reviews. K&N customer feedback for K&N Oil Filters are from people who have actually used the oil filter products they are reviewing.
https://www.amazon.com/K-N-KN-160-Oil-Filter/product-reviews/B008KWP84I
Mar 06, 2016 · While these comments are true of the BMW OEM filter, the K&N 160, and all other competitors, be aware that K&N also makes a model KN-164, (which can also be found here on Amazon). The KN-164 is the same as the KN-160, except the KN-164 is about an inch shorter, which helps solve the tight fit and filter protrusion issues.4.7/5
https://www.f150online.com/reviews/kn.html
The K&N air filter provides an inexpensive and simple way to improve your fuel mileage and gain a few extra horsepower at the same time. The K&N Air Filter is a simple drop-in replacement air filter for your existing "restrictive" air filter. What makes it different (and more efficient) is the design of the filter.
https://bestreviews.com/best-cabin-air-filters
The cabin air filter is the part of your vehicle that provides you with clean, filtered air. A good one removes exhaust fumes, soot, and allergens from the air. The best cabin air filters can also help filter out offensive odors, so the air is not only fresher and safer to breathe but smells better, too.
https://www.mirandamade.com/best-car-air-filter-reviews/
Finally, the K&N VF2000 is also a cabin air filter, which receives an average customer rating of 4.5-Stars. This is the best auto air filter, which is very easy to reuse and clean. It is highly capable of freshening and cleaning the incoming cabin air, while helping in controlling odors at the same time.
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