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Thoughts on K&N Air Filters.

Discussion in 'Chevy Truck Accessories' started by stchman, Oct 11, 2013.

  1. stchman

    stchman Active Member 1 Year 1000 Posts

    I have been reading some opinions over at Bob is the Oil Guy and apparently there are a LOT of folks that belive K&N air filters are the worst thing you can put on your vehicle.

    The speak of large amounts of engine damaging dust being sucked into the engine, ruined MAF sensors, accelerated engine wear, etc.

    Apparently the only evidence to support this claim was a test done back in 2004 by Arlen Spicer.

    http://www.dieselplace.com/forum/3-...rmarket-air-intakes-filters-do-they-work.html

    I've used K&N air filters for years with no problems.

    My thing is, if K&N air filters were so terrible, would not competing air filter makers test their air filters against K&N, publish tests to try to get people to buy their filters over K&N?
  2. Enkeiavalanche

    Enkeiavalanche Rockstar 4 Years ROTM Winner 5000 Posts

    This has been bought up many times.. And as you said many People have used K&N filters in everything from Motorcycles to $100K race motors with never a problem.. K&N has done it's home work to bring you a trouble free filter and has done the testing to prove it more then any other Co out there... I have used them now in my past 4 trucks with over 100K on all before I got Sold them.. NEVER a problem other then running out of recharge oil..:gasp:
  3. Conlan Rose

    Conlan Rose Active Member 2 Years 1000 Posts

    I think the problem is people don't recharge the filter right. Then they blame the filter not their error.
  4. stchman

    stchman Active Member 1 Year 1000 Posts

    I am going to change the oil soon and will send off some used oil to Blackstone Labs for a UOA.

    If the K&N is not doing its job, I should see elevated levels of silicon in the results.
  5. JimmyA

    JimmyA Member 1 Year 100 Posts

    If not serviced correctly, the filter does not "Filter" or clogs with inattention.........

    - - - Updated - - -

    By the way, I'm glad that you have spent some time reading the site! Good info, can be had...........

    - - - Updated - - -

    Adding more air, adds more fuel per ecm!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  6. tbplus10

    tbplus10 Epic Member Staff Member 5+ Years 5000 Posts Platinum Contributor

    My only complaint after using K&N filters since the early eighties on almost every vehicle Ive owned, and running many of them past 150,000 miles is with the charging oil.
    Yea if you dont follow the instructions you can have problems.
    I have a Dry filter on my Harley Davidson Nightrain and I enjoy not having to wash and oil it and also not replace it.
  7. Enkeiavalanche

    Enkeiavalanche Rockstar 4 Years ROTM Winner 5000 Posts

    It is NOT hard to clean and reoil.. I do it at night so I can install it all ready in the morning.. No Problems.. What kind of problems can you have with spraying the filter to clean out all the old oil and dirt hose from the inside out let dry then reoil?? NOT hard..
  8. Sierraowner5.3

    Sierraowner5.3 Rockstar 3 Years 1000 Posts

    i have a dry K&N in my truck. seems to be working fine.

    Alex
  9. 08_rado_rocker

    08_rado_rocker Member 2 Years 500 Posts

    being from west texas... it's a toss-up for me.

    Currently, I'm using the wet filter that came with my Airaid CAI in Truck Norris. When i used to drive him daily I would have to continuously clean and oil the filter (I'm talking at least 3 times a month) because of the high dust levels around here or he would suffocate. A dry particle filter worked just fine for the longest time out here for me (dirt covered the in side and not the other), but airflow was sacrificed greatly.

    No, it is NOT hard to do, but with a completely full schedule working 90+ hours a week.. it just becomes a PITA.

    All that said, I drive a 2013 F150 company truck daily now (POS btw) and with not having to constantly keep up with the wet filter in Truck Norris, I like it.

    It's a toss-up for us desert folk.
  10. tbplus10

    tbplus10 Epic Member Staff Member 5+ Years 5000 Posts Platinum Contributor

    Yea up here in North Texas were not exactly in the desert but its dusty conditions, my wet K&N needs cleaning about every month and a half.
    The dry filter shakes itself off with a slap of the hand and its ready to go.
    I've started to use pre-filter mesh on all my filters and it seems to prolong the time frame for cleaning cycles.
    Since its so dusty here I even use a dry filter on my boat, which is kind of against what the Coast Guard recommends, but then again they arent paying for the engine rebuilds on my boat either so they can kiss off.

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