Not really sure but if you blow too hard on the engine it moves like crazy so I'm pretty sure I need them all. I'm not driving my car to the meet today, but maybe when you have time you can take a look at it for me.
99 Blk SE Sport
2.5 CD4E
Euro Focus SVT Wheels
5 % tint
Mesh Grilles w/indiglo ford
KKM intake filter
FMS 9mm wires
Superchip
Signal mirrors
Fog lamp mod
Dingless
A6 sidemarkers
Duals
SVT springs/struts