Borla 140312 S-Type Cat-Back Exhaust for 2008-2014 Subaru WRX/STI 2.5L

Vehicle Fitment

• 2008-2014 Subaru Impreza WRX STI / 2011-2014 Subaru Impreza WRX (2.5L Turbo H4, AWD, Manual)

Features

• S-Type Cat-Back™ performance exhaust system engineered for Subaru WRX/STI
• Premium T-304 stainless steel construction for corrosion resistance
• Mandrel-bent tubing increases exhaust flow and horsepower gains
• 3" main piping diameter upsized from factory for improved airflow
• Quad outlet dual split rear exit for aggressive rear appearance
• 3.5" double-walled rolled-edge polished tips for refined styling
• Patented straight-through design reduces backpressure and weight
• Enhances distinctive WRX/STI exhaust note with rich bass tone
• Direct bolt-on installation using factory hangers and mounting points
• Backed by a Borla Million-Mile Warranty

Specifications

• Brand: Borla
• Part Number: 140312
• System Type: S-Type Cat-Back Exhaust
• Material: T-304 Stainless Steel
• Main Pipe Diameter: 3"
• Outlet Pipe Diameter: 2.25"
• Tip Diameter: 3.5"
• Tip Style: Quad Dual Split Rear Exit
• Engine: 2.5L Turbocharged H4
• Drivetrain: All-Wheel Drive
• Transmission: Manual Only

Included Components

• 1x S-Type Cat-Back Exhaust System
• 1x Muffler Assembly
• 1x Front Pipe
• 1x Over-Axle Pipe
• 4x 3.5" Polished Dual Split Tips
• Exhaust Clamps
• Installation Hardware

Product Description

The Borla 140312 S-Type Cat-Back Exhaust System is a high-performance exhaust engineered specifically for the 2008-2014 Subaru WRX STI and the 2011-2014 Subaru WRX Hatchback equipped with the 2.5L turbocharged flat-4 engine and all-wheel drive with manual transmission. Built from premium T-304 stainless steel and featuring mandrel-bent tubing, this system upsizes the factory exhaust to a 3" diameter for reduced backpressure and improved exhaust flow, resulting in gains in horsepower and throttle response.

Featuring Borla's patented straight-through muffler design and quad outlet dual split rear exit with polished 3.5" rolled-edge tips, the 140312 delivers an enhanced yet balanced exhaust note that complements the WRX and STI's performance character without excessive drone. The system installs via a direct bolt-on procedure using factory mounting points and includes all necessary hardware. Backed by Borla's Million-Mile Warranty, this Cat-Back exhaust is ideal for Subaru enthusiasts seeking improved performance, sound quality, and durability from their exhaust upgrade.