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Hi Everyone, My Hyundai Sonata Gold is equiped with K&N air filter. Is there any possibility that due to the same the milage of the car has got reduced? Regards, Swapnil Natu.

By Swapnil Natu on Nov 18, 2009


  • Expert Hi,
    With using of K&N filter mileage wont be affected much. There are instances of slight improvement in performance of engine.
    Answer by Shiva Shankar on Nov 18, 2009

  • Due to an dirty air filter you may also face loss of power and pick-up. If thats the case then you need to replace the air filter. Air filters usually need replacement once in a year depending upon environment dust conditons and usage of your car. Do not try to clean the air filters with water as it may not do the purpose of cleaning micro filters
    Answer by Hari Iyer on Nov 18, 2009

  • In the manual sticker placed in my car, it's mentioned that for every 50K KMS or as & when required i can clean the air filter with K & N air filter kit & then further filter is to be rhinsed with water, dried properly & then to be soaked the filter in K & N oil.
    I am planning to do so but my friend is advising me to change the filter to normal one as as per him the filter is only reducing my milage.
    Answer by Swapnil Natu on Nov 20, 2009

  • Hi Swapnil,

    K & N filters last long if maintained well, they last for almost 10 times of a normal filter. When it comes to maintenance you will have to follow the process defined by K & N using their cleaning kit.

    Refer below link for details.

    Answer by William on Nov 20, 2009

  • if u r only using K&n filter without its proper kit thn not only ur avrg reduce but it also harm ur engin
    Answer by Himanshu on Nov 20, 2009

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