There's really not much that you can yank out for any benefit. To me, dropping emissions testing means the most if my truck wasn't quite passing the sniffer test (oh, and paying for the stupid tests). I live in Michigan (haven't had any testing for years) and the only thing any of my trucks are missing is the cat on 2 of them (bought them like that). But somehow I doubt any of the Jeeps would pass a sniffer test with flying colors. :roll: