Walms
Been Around the Block
The problem with keeping your K&N's on for that length of time is they progressively get plugged up. I wash my UNI's on a regular basis. You'd be surprised by the amount of crap you get out of them after only a month.
If you want your jetting spot on and to stay that way, IMO a washable filter is the way to go...
If you want your jetting spot on and to stay that way, IMO a washable filter is the way to go...