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 03:18 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.
He certainly talks quickly!
We need IsuzuRover's input!
Ron B.
VK2OTC
2003 L322 Range Rover Vogue 4.4 V8 Auto
2007 Yamaha XJR1300
Previous: 1983, 1986 RRC; 1995, 1996 P38A; 1995 Disco1; 1984 V8 County 110; Series IIA
RIP Bucko - Riding on Forever
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