Y2K-SVT,

If you've only got 30K miles I wouldn't even bother,
with the plugs and wires.
I changed mine at 60K.

But @ 30K miles, the Cabin Air Filter, and your Fuel Filter, should be changed.

Pete...

98.5 SE Sport Duratec ATX (P66L)
Black Clearcoat on Greystone
DOB 11/21/1997
DOP 12/25/1997
PIAA 510 Super White Driving Lights
SVT CAT-BACK EXHAUST (No Resonator)
DiabloSport Chip (LPQ4) - Engineered To Raise Hell
Too many other mods to list...
Sounds sweet, runs quick...
Crazy Horse Dyno @ 121.4 WHP/129.6 TQ