Borla Catback Exhaust WRX (2011-2014) STI (2008-2014) Hatchback

The BORLA® exhaust note has become the quintessential soundtrack of high-performance motoring. And like all good automotive designs there is function behind the form. As any driving enthusiast knows, the sound of an exhaust provides more than just ear candy. It's a communications conduit between car and driver. A link between human and machine. Borla Cat-Back and Rear Section 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 enthusiasts everywhere. Best of all Borla stands behind every system with a Million-Mile Warranty.

Borla 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 horsepower gains of 7% - 10%. Hardcore enthusiasts who add Stage 1 or 2 chip upgrades will find this boost to the STi?s lung capacity vital to unlocking the ECU?s full potential. Drivers negotiating terrain from rally course jumps to shopping mall speedbumps will appreciate how Borla?s RD fabricators found room to tuck the system muffler higher than the OE exhaust, providing a 1.75" clearance gain. This additional room also enhances rear-section aerodynamics and improves appearance by reducing clutter. Besides being higher, it?s lighter. Thanks to Borla?s patented straight-through design that eliminates power-robbing baffles and chambers, the STi sheds approximately 8 lbs, making it a bit leaner meaner in a class where every bit counts. True to form, the exhaust amplifies and enhances the STi?s distinctive rumbling gurgle with the rich bass of Borla?s trademark sound of power. Combined with high-quality T-304 stainless steel construction and double-walled rolled-edge polished tips, drivers get the sound and looks they expect from the world?s most winning exhaust. Borla , the original pioneers of high-quality stainless steel free-flow exhaust, utilizes patented award and race winning technology to deliver quality, sound, and performance gains. All with an easy bolt-on installation, and backed by a solid Million-Mile Warranty on all street systems.

This Part Fits:

Year	Make	Model	Submodel
2011-2014	Subaru	Impreza	WRX
2008-2014	Subaru	Impreza	WRX STI
2011,2013-2014	Subaru	Impreza	WRX STI Limited
2010	Subaru	Impreza	WRX STI Special Edition