Recently I read in a 4x4 magazine, that no after market air filter will provide the air filtration better than stock, K/N included. Prformance gains are all that is gained. This goes aginst their advertisments, but I beleive it.
Anyone compared UOAs for K&N air filters vs OEM?
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Originally Posted By: Cujet
As expected, the K+N did pass a bit more dirt than the OEM paper filter. Even with gobs of oil on it. However, I think I remember that the K+N was judged to be more than accecptable (better) compared to other brands!
To the other after market performance brands you mean? Its true that other performance filters filter even worse than the K&N does.
As expected, the K+N did pass a bit more dirt than the OEM paper filter. Even with gobs of oil on it. However, I think I remember that the K+N was judged to be more than accecptable (better) compared to other brands!
To the other after market performance brands you mean? Its true that other performance filters filter even worse than the K&N does.
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