fenderwell or other "cold" air intake. Headers or Plog like said above. The thermostat when you get the tune, the 104s are good. 3.6 pulley is fine. It looks like you are having someone else do the work based on your Transgo shift kit comment so stick with the basics because install gets expensive with a lot of this stuff. If you are doing it yourself the money goes a lot further. Rockers are cheaper to install vs a cam.