Originally Posted by lifted97ranger
i got a K&N and i clean mine about every 4th or 5th oil change.......K&N says you can do it every 25,000 but that is a little much for me
K&N says that you can go up to 50,000miles before cleaning is required. Remember that is under normal drving conditions. I have been running K&N on all my pickups since I could drive. My rule is that if it looks dirty, clean it.