True a full catback may make more power, but the reason I posted this is a cheap mod to hold people over until an exhaust came out, and did it for cosmetic reasons.
So let's look at the price difference between yours and what most are paying for this. $300 vs $75....
'14 Fiesta ST
234 HP / 274 TQ
SCT Tune & Injen Intake, Borla Catback
Moderator: Third Generation Ford Focus, DURATEC Ti-VCT GDI Performance Chat & Florida regional section