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Thread: Lab Test of Air Filters

  1. #1
    Join Date
    Jul 2006
    Tuross Head, South Coast, NSW

    Lab Test of Air Filters

    I know some people have very fixed ideas about K&N filters, but all I have is mild curiosity about a test I have seen comparing different air filters.

    It is often easy to create a laboratory test that looks impressive, but may bear no relationship to the real world. I suspect that an air filter test could be skewed by using particles that were far too large or too small or by using an air flow rate unlike that produced by any engine.

    This test looks convincing, but I wonder if it is realistic. Because he talks so quickly, it is easy to miss his theory at 14:20 about why the K&N appears to score fairly well on the large particle continuous flow test.

    I am not trying to start another argument about K&N. There have been enough of them already. I don't care whether they work or not. I am just interested to know if people think this is a legitimate test.
    Last edited by p38arover; 4th June 2020 at 04:18 PM. Reason: Change YouTube link

    1973 Series III LWB 1983 - 2006
    1998 300 Tdi Defender Trayback 2006 - often fitted with a Trayon slide-on camper.

  2. #2
    p38arover's Avatar
    p38arover is online now Major Part of the Heart and Soul of AULRO Gold Subscriber
    Join Date
    Jan 1970
    Western Sydney
    He certainly talks quickly!

    We need IsuzuRover's input!
    Ron B.

    2004 L322 Range Rover Vogue 4.4 V8 Auto
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