Thread: Do K&N AIR FILTERS do more harm then good
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Old Mar 23, 2013 | 03:56 PM
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JEFASOLD
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Default Re: Do K&N AIR FILTERS do more harm then good
Originally Posted by maxcichon
9.8 grams of dirt per second? 600+ grams (1 1/2 pounds) at the end of the test? Somehow, the scale and units used in this test seem...excessive.
Yes they do, also, you have to look at how the graphs are presented. The first one (efficiency) it starts at 96 percent, it looks as if AC delco is about 3 times better than K&N. If the graph displayed 0 to 100 it would look much closer, which it is. Makes me wonder who was responsible for this report!!!
 
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