Ok i have a catback, intake, lid, programer, ported TB (comming soon) on my 98 trans am. About how much power would i have. Am i far away from the 400 mark. And any guesses on wut i would run. Im a decent driver. Headers are my last resort. I luv the loudmouth to much and dont wanna play with the sound. Unless some1 hasa loudmouth setup and got headers and still kinda had the same sound, please tell me.