The K&N filter is designed to improve horsepower and acceleration performance while protecting your engine from harmful debris. K&N alternative car filter products can be used in most cars, trucks, motorcycles, ATVs, and other vehicles.
Unlike disposable filters that need to be replaced frequently, K&N filters are washable, reusable, and carefully designed to ensure the life of the vehicle. It is designed so that it can be easily fitted into the air box of the factory-like any other air filter. You can even install it in less than five minutes without any tools. Naturally, K&N filters are deserved to be cleaned.
The customer reviews about K&N Air Filter Cleaning Kit
Yes, it is worthful to use k and n air filter cleaner and cleaning
“It works well:) It is very easy to do this, the only thing that takes time is…good time: P you just have to wait for the detergent and oil to complete the magic. It restores the filter to its original state and works very well :)”
“If you have a K&N air filter, you must install it. I have installed about 40,000 miles of filter on the s2000, if I know it is easy, I should clean it up as soon as possible. The accompanying instructions are simple and easy to understand. There is not much that can go wrong here. I sprayed the cleaning solution (pump bottle) very casually and rinsed it off. I performed two cleaning steps, and although the filter may eventually be replaced after those miles, there are at least 1-2 clean filters. why? Because I have obsessive-compulsive disorder. This is why. This product brings you huge benefits. If cleansing and restoring make you feel dizzy, then this product is definitely for you.”
No, not worth using it.
“I have used K&N air filters in several cars. I never noticed any improvement in performance or fuel consumption, but because I paid a high price for them, I continued to use them. Until the last time, I bought this cleaning tool. The detergent bottle pump has failed and cannot spray. I have to find another spray bottle and fill it with the product before I can use it. This experience finally made me decide that the K&N air filter is not worth the trouble, trouble, time, and total cost. I have completed the work of K&N filters and will return to OEM paper filters for all my vehicles from now on!”
“You can use Dawn dishwasher liquid soap to clean K+N and use ordinary mineral oil to oil the filter! That’s it, bottom line. Of course, this looks very professional, so spend more money to spend more money, but in fact, it is not necessary. I personally cleaned the filter with an orange oil cleaner solution and then cleaned it. I use ordinary transparent mineral oil to oil the filter, it works like a champion, but I ordered it at the same time, so I will use it in time. Researched cleaning fluids and engine oils and found cheaper alternatives.”
The embedded air filter produced by K&N can be cleaned instead of replaced. K&N claims that reusable air filters can save money and landfills, and their filters are not easily restricted by air when they become dirty. (Restricted airflow can result in reduced engine power and fuel economy.) Depending on the application, the retail price ranges from $35 to over $80.
The specific K&N filters are worthful to be cleaned
The embedded air filter produced by K&N can be cleaned instead of replaced. K&N claims that reusable air filters can save money and landfill, and their filters are not easily restricted by air when they become dirty. 
(Restricted airflow can result in reduced engine power and fuel economy.) Depending on the application, the retail price ranges from $35 to over $80.
Most people will install K&N air filters and then forget them completely. Over time, the air that was once a new air filter can collect thousands of miles of dust and dust, disrupting airflow and preventing optimal operation. However, the million-mile warranty of the K&N air filter does not mean that it can achieve optimal performance without regular maintenance and cleaning.
How to clean k and n air filters?
When you cannot see the aluminum mesh that wraps the filter, you should clean and refresh the filter. To do this, take it out of the vehicle and tap it lightly to remove heavier dirt, and then spray it with K&N cleaner.
Next, spray the air filter thoroughly with K&N cleaner and let it sit for at least 10 minutes before rinsing it. First, clean the filter element from the inside with low-pressure water, and then clean it from the outside. Repeat the cleaning steps and clean the particularly dirty filters again. Never use a brush to clean the K&N air filter, as this will damage its filter material.
Shake the filter to remove excess water, and then air dry for several hours. Do you want to speed up the drying process? Use a hairdryer to dry it, but make sure it does not cause overheating, so as not to damage the filter.
In addition, do not use high-pressure air, as it will damage the ultrafine fibers of the filter and void the warranty.
After the filter is dry, it can be applied to the oil. If you are using aerosol-type engine oil, spray a layer of high-quality engine oil on the filter and soak it for about 20 minutes. Then, if necessary, repair the necessary parts until the oil forms a uniform coating.
If you are using a squeeze bottle of oil, apply engine oil to each pleat, moving it along the length of the pleats to cover them completely. Then, let it saturate for about 30 minutes before proceeding with the installation.
The following video shows the cleaning process intuitively:
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K&N® does not recommend using other cleaners or solvents to clean the air filter, nor does it recommend the use of any other types of oils. Products other than those manufactured by K&N® have not been tested and may reduce the performance and filtering capacity of the air filter.
There are many cleaners for each type of air filter, some of which can be used with foam filters and fabric filters. If you have different vehicles with different types of air filters, these types of cleaners are ideal.
In conclusion, K and N air filters are not only worth cleaning, but also worth cleaning with professional tools and methods.