Forum Discussion
fj12ryder
Aug 17, 2021Explorer III
I pitched the K&N that was on mine when I bought it. IMO a diesel flows so much air the K&N needs to be thoroughly, and I do mean thoroughly, cleaned often. The one I pitched had crud deep down in the pleats. I replaced it with a Donaladson BHAF. This is on a 2001 Cummins.
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