Borla 08-14 Subaru STi / 11-14 WRX Catback Exhaust Drivetrain>Clutch Kits - Multi This 8-1/2” tall 360-degree radial

This 8-1/2” tall 360-degree radial flow air filter features our pre-oiled Pro 5R media with five layers of progressively finer cotton gauze media for maximum performance

there are few gauges that are more critical

reducing soot output

spliced or welded to fit a wide spectrum of custom applications while withstanding high heat and stress

High accuracy and fast responding sensor

Borla 08-14 Subaru STi / 11-14 WRX Catback Exhaust Drivetrain>Clutch Kits - Multi This 8-1/2” tall 360-degree radialBorla(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