This is a list of mods that I have done on the 99 Grand Prix. It's current best 1/4 mile time is 13.6.
*Thrasher Air Box
*TOG Headers
*Cam
*SLP Loudmouth Exhaust
*MPD F1 Hood
*MPD F1 Spoiler
*MPD F1 GPX Flair Kit
*C-YA Racing LSD
*C-YA Racing PCM
*Thrasher Shift Kit
More to come....
