so yesturday was like the worse day ever.....I lost to a 1997 accent GS.... I cant figure out why....my car is performing like ewwwwww....I cleaned the thottle body.... i need help pls

I have a 96 contour Zetec


1996 Ford Contour GL
K&N FilterCharger
Changed most interior lights to blue
Installed Xenons in high/low beams
GTS Blackout Headlight Covers
FLOWMASTER Series 3
NGK Sparkplugs
WindowShield Washer Lights
No Rez
Custom Intake
Clifford Sabre 2 Alarm System
Removed Ding Guards