Question : Can this oil be used with other brands of air filters?
Answer : No, this oil is specifically formulated for use with K&N oiled cotton filters.
Question : How often should I clean and oil my K&N filter?
Answer : It is recommended to clean and re-oil your filter every 50,000 miles or as needed.
Question : Can using this oil improve my engine performance?
Answer : Yes, by trapping contaminants and improving air flow efficiency, this oil can lead to improved engine performance.
Question : About how many uses come from this can?
Answer : Each filter has a certain amount of ounces of oil that is required so a number of uses you will get from an 8 ounce can differ depending on the filter you are using it on.
Question : Do we oil only the "dirty side" of the K&N Filter or do we also oil the "clean side"?
Answer : Apply K&N Air Filter Oil liberally to the dirty side of the filter only. Wait 20 minutes for the oil to be absorbed into the filter media. Inspect the clean side of the filter for any areas that are lighter in color. Touch up these areas in the media by applying oil to the dirty side of the filter.
Question : Can this be used on "DryFlow" filters?
Answer : If your dry flow filter is washable/cleanable, then yes you can use the oil spray.
Question : I have a blue k&n filter, what oil spray do i use?
Answer : It is not clear from our research as to which color of oil spray to be used on the blue K&N filter.
Question : How long do you have to let this dry before installing for use?
Answer : Not long, just make sure that when you clean the filter, let it dry before spraying on the oil. A thin coat on both sides.
Question : Trd filter, has anyone used it on their trd filter and is it the same as the trd oil recharge?
Answer : Yes, it seems to be the same oil as TRD oil.
Question : How soon after applying do i need to clean the mass airflow sensor?
Answer : It is not necessary to clean the mass airflow sensor after applying the oil spray.
Question : I have black k&n exposed filters on my bike and this is a shallow question, but: once dry, does it still turn the filter red, or do they look black?
Answer : The K&N spray can oil is "red" in color when sprayed. So, "Yes" it does have a tendency to make the filter have a "reddish" color to it.
Question : Can this be used on foam filter material?
Answer : Yes, you can use this on foam filter material.