dump valve off
K&N off (replace with std airbox with front cut off top part)
and ideally u want a mongoose or magnex exhaust, or get the backbox moded on the scorpion to 2.5" (not th etailpipe, the piping inside the backbox itself)
then get a -31 and an unlimited boost chip and get a re-map!
then your looking at a cam/ic to go with the chip and -31