Borla S-Type Catback Exhaust for 2013+ Ford Focus ST

Cat-Back™ Exhaust for Focus 5 Door Hatchback - Including PZEV (Partial Zone Emissions Vehicle). BORLA® Cat-Back™ & Axle-Back exhaust systems feature patented straight-through and multi-core technology to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive BORLA® Sound of Power respected by motoring enthusiasts everywhere.Each system is built from premium T-304 austenitic stainless steel, superior to T-400 series knockoffs (such as 409), to give you the absolute best in performance and durability. Ultra-smooth mandrel bends ensure maximum flow & power, and precision computer-controlled CNC manufacturing ensures an accurate fit. About the Borla Cat-Back S-Type Exhaust The Borla Cat-Back Exhaust S-Type exhaust system for the Ford Focus ST delivers a powerful sound that you will be proud of. This particular exhaust system is designed to sit behind the factory catalytic converter, hence the name Cat-Back. This is an