Ya +4 timing, and a noss or cool head, k&n pods. the tors is the big mess of crap ontop of your stock carbs. you will definantly know if there there. if they are get a tors eliminator kit. I think fast offers one but i know u can get them on fleebay. But check with our sponsors first. I can find you one if you cant. there about 65-75 bucks or so.