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View Poll Results: How often do clean your K&N filter

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  • Every Service

    1 8.33%
  • Every 2 Years

    2 16.67%
  • When Its Dirty

    6 50.00%
  • Never

    3 25.00%
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Thread: How often do you clean your K&N FILTER

  1. #1
    Regular Member Diesel Dude's Avatar
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    Default How often do you clean your K&N FILTER

    Just a thought how often do you clean your K&N FILTER

  2. #2
    spoons
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    Default

    I've never cleaned mine... maybe I should

  3. #3
    Regular Member markm's Avatar
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    Default

    I voted "When its dirty" but tend to do them every 10K or sooner if they are really grubby,

  4. #4
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    Quote Originally Posted by markm View Post
    I voted "When its dirty" but tend to do them every 10K or sooner if they are really grubby,
    my last vec had a cone filter, I cleaned it after I had done 20,000 miles,it was never the same again I was told they get better with use, dont clean until at least 50,000 miles.

  5. #5
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    Vehicle : Vectra C Hatchback Facelift

    Trim : Club

    Engine : Z18XE

    Year : 2005

    Mileage : 100085

    Default

    I dont have a K&N...but changed the standard one fitted to the car from new in line with the service book recommendation..... @ 4 years.

    Cheers

  6. #6
    Regular Member Jezzy's Avatar
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    Can't be bothered to wash mine, plus it can go pete tong if you over- or under-oil them, so I just replace it every year.

  7. #7
    Ex Vec-C Admin Ian-Highlander's Avatar
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    Vehicle : Insignia Tourer

    Trim : Elite

    Engine : 2.0 CDTI (160ps)

    Year : 2010

    Default

    Officially they say every 50,000 miles which seems a hell of a lot but more often if in dirty conditions.

    Edit: According to their FAQ http://www.knfilters.com/faq.htm#4 50,000 miles for a panel filter fitted in an air box or 100,000 miles for a cone filter.. Errrm, wow
    Last edited by Ian-Highlander; 27th January 2011 at 13:33.
    "Doing a good job here is like wetting your pants in a dark suit, you get a warm feeling but nobody else notices"
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  8. #8
    Regular Member accveccysriturbo's Avatar
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    Default

    I dont have a K&N always used Pipercross or Courtenay motorsport ones but I tend to clean them every 5K

  9. #9
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    Quote Originally Posted by Tony W View Post
    I dont have a K&N...but changed the standard one fitted to the car from new in line with the service book recommendation..... @ 4 years.

    Cheers
    Me too just standard.

  10. #10
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    Just a bog standered paper one, Im guessing the origianl was in from new (scary as its a 56 plate) 30 000 replaced with a new paper one .. plan on next new paper one at 40 000 every 10 000.

    Mpg went from 35.5 to 42.8 with only air filter change.

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