Kyle'SS

Hi, i just bought me a black 2004 sss awd. I love it. I got a couple ?'s. I drive this truck every day, i am goin to do LT's, exaughst, intake, shift kit, 160 t-stat, and a tune. For the 160T-stat can i just put it in or do i have to have it tuned, also can some one direct me to the right person for a shift kit and tune? plz..... o, 1 more. for the bser roll pan, is it steel and bolton or what, and where can i get one? thanks