Borla 08-14 Subaru STi / 11-14 WRX Catback Exhaust Drivetrain>Clutch Kits - Multi This system features a 4"

This system features a 4" x 16" 304 stainless steel resonator to reduce drone

Borla(r) has built many Mustang V6 project cars and considers the Mustang one of their prime muscle cars

Originating on Porsche 991 models

Carbon Fiber Accent are provided for car show quality and to further distinguish your vehicle from others

Borla 08-14 Subaru STi / 11-14 WRX Catback Exhaust Drivetrain>Clutch Kits - Multi This system features a 4"Borla(r) Performance offers a quad exit Cat Back(tm) exhaust for the venerable 2008 2014 Subaru WRX STI. This race inspired system (PN140312) checks all the boxes on every Subaru enthusiasts hit list, taking this flagship to an even higher realm, of performance. For starters, Borla(r) engineers upgraded the Stir's exhaust plumbing from 2. 5" to 3" in diameter. The resulting increased airflow through the turbocharged powerplant provides horsepower