He is talking about oil filters not air. .
On the other hand the air filters do oass a lot of dirt. Also the oil collects in ait pathways and gunks up. FRIENDS DONT LET FRIENDS DO K& N
Yes I went with a locking cap but leave it unlocked unless I'm somewhere I worry about vandalism. More importantly the locking hood latches. I also leave them unlocked unless I an somewhere I need to protect against battery theft ect. Every crackhead knows if you need a battery a jeep is the...