Borla 08-14 Subaru STi / 11-14 WRX Catback Exhaust Induction Systems All parts included for an

All parts included for an easy bolt-in installation

They also work perfectly with our Copper ''O'' ring option in our sleeve service

Everyone knows that with K-Swaps

built for racers

it expands creating pressure inside of the system

Borla 08-14 Subaru STi / 11-14 WRX Catback Exhaust Induction Systems All parts included for anBorla Performance announces the release of a new quad exit Cat Back exhaust for the venerable 2008 ? ? 09 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 engineers upgraded the STi? s exhaust plumbing from 2. 5 to 3" in diameter. The resulting increased airflow through the turbocharged powerplant provides