By formula, I'm almost certain they mean for Formula type cars that have zetec engines. These would not bolt right up. They'd probably be too short as well. But they do custom exhausts, so you can go that route.
98.5 SVT
91 Escort GT (almost sold)
96 ATX Zetec (i brake to watch you swerve)
FS: SVT rear sway bar
WTB: Very cheap beater
CEG Dragon Run - October 13-15