To me SC isn't worth the price for the gains. Especially since a SC robs HP from your engine to get it working. Turbo is the way to go if anything. Then you gotta worry about your tranny since you have an ATX platform. Unless you're going low boost.
2009 Focus SES Black Sedan Mods:
FSWerks CAI / F2 Header (non-fouler mod) custom flex / 2.5" FSwerks Stealth Stainless exhaust / FSWerks X3 tune / Autolite 104's / Steeda Strut Tower Bar / FRPP 1.5" drop / FSWerks FLS Bar / H&R 24mm RSB / MOOG endlinks / AEM wideband AFR gauge / 8000K HID Bi-xenon 55W / Tint / 17" Ford Racing Rally Wheels in Black / Coupe tails / Black grille
124whp/129wtq
FSWerks CAI / F2 Header (non-fouler mod) custom flex / 2.5" FSwerks Stealth Stainless exhaust / FSWerks X3 tune / Autolite 104's / Steeda Strut Tower Bar / FRPP 1.5" drop / FSWerks FLS Bar / H&R 24mm RSB / MOOG endlinks / AEM wideband AFR gauge / 8000K HID Bi-xenon 55W / Tint / 17" Ford Racing Rally Wheels in Black / Coupe tails / Black grille
124whp/129wtq