ok guys tomorrow is the big day. heres wats going down

muffler delete (already done)
pacesetter header install
cat delete
intense pcm (already done)
3.4" pulley
gatorback belt
autolite 104's
moroso ultra 40 wires.
and me writin a fat check to my friend/mechanic.

anyone have any tips, tricks, pointers? let me hav it all, I want this to go down flawlessly. Thanks to all
matt (flash)