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Thread: Air filter replacement

  1. #1
    Join Date
    May 2012
    Posts
    2

    Air filter replacement

    My '04 CTS 3.6L needs a filter replacement. It's got a K&N right now, but my question is if I should clean it or go with a traditional OEM paper filter. I've been reading some disturbing posts on other websites re: the K&N and the amount of dirt that actually passes thru it.
    I need your thoughts, please. I'm only as smart about cars as I can Google and YouTube, and I'm also just a girl. Thanks


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  3. #2
    Join Date
    May 2012
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    Anyone have any suggestions? Anyone at all?

  4. #3
    Join Date
    Jun 2014
    Posts
    20
    I've used K&N filters for over 20 years and have never had an issue. Keep the filter and relax.

  5. #4
    Z71's Avatar
    Z71 is offline Cadillac Owners Connoisseur
    Automobile(s): NONE
    Join Date
    May 2005
    Posts
    1,379

    Re: Air filter replacement

    Throw away the K&N and buy a traditional air filter. By the time you buy the cleaner, wash it, air dry it and re-oil you won't be able to use your car for a day. Needless extra work for little to no benefit. I would not waste my money on them, pure hype IMO.

  6. #5
    Cowpie's Avatar
    Cowpie is offline Cadillac Owners Member
    Automobile(s): 2006 CTS 3.6L
    Join Date
    May 2016
    Posts
    74

    Re: Air filter replacement

    A couple of studies on air filters that will enlighten folks a little.......

    http://www.fueleconomy.gov/feg/pdfs/...02_26_2009.pdf

    http://www.nicoclub.com/archives/kn-vs-oem-filter.html

  7. #6
    Z71's Avatar
    Z71 is offline Cadillac Owners Connoisseur
    Automobile(s): NONE
    Join Date
    May 2005
    Posts
    1,379

    Re: Air filter replacement

    Quote Originally Posted by Z71 View Post
    Throw away the K&N and buy a traditional air filter. By the time you buy the cleaner, wash it, air dry it and re-oil you won't be able to use your car for a day. Needless extra work for little to no benefit. I would not waste my money on them, pure hype IMO.
    ^^^This...................................


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