Borla 08-14 Subaru STi / 11-14 WRX Catback Exhaust - 140312 fits_2009-2013`Mazda`6 Special engineered mounting brackets also

Special engineered mounting brackets also serve as ducting to channel air to coolers

This easy to install performance air intake system allows that turbocharged engine to breathe deeper to unleash that additional performance that you've been craving

Bolts directly to engine without any permanent modifications

Introducing the first and finest aftermarket exhaust system for the G90 M5

Dyno-proven gains of up to 4hp and 4 ft-lbs of torque

Borla 08-14 Subaru STi / 11-14 WRX Catback Exhaust - 140312 fits_2009-2013`Mazda`6 Special engineered mounting brackets alsoBorla(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