Originally Posted by extrashaky

I dunno. I'd rather just run one filter instead of trying to cram three in there.

Originally Posted by bad_idea

A K&N air filter must be oiled to properly filter. That oil can reek havoc on MAF sensors. That's why I do not run one on my Z28. Not sure about your Jeep, mine is a 90, but if it has a MAF I wouldn't use any type of oiled filter. The air intake setup on the XJs is decent enough, wouldn't mess with it. Throw a good paper filter in it and let it be. Spend that money on an exhaust system.