MBRP Armor Pro Series 3in Cat-Back Single Rear Exit Exhaust for 2011-2021 Subaru WRX/STI (2.0L / 2.5L) - T304

Fits select 2011-2021 Subaru WRX and WRX STI (2.0L / 2.5L).

The MBRP Armor Pro Series cat-back exhaust system is engineered for drivers who demand maximum durability and performance from their Subaru's boxer engine. Featuring a high-flow 3-inch single rear exit design, this system replaces restrictive factory piping with mandrel-bent T304 stainless steel. This premium material offers the highest level of corrosion resistance, making it the ideal choice for vehicles operated in extreme conditions or on salted roads. By smoothing out the exhaust path, this system increases flow by up to 34%, improving throttle response and reducing exhaust gas temperatures while delivering a distinct, aggressive moderate-to-race exhaust note.

• Crafted from premium T304 stainless steel for lifelong durability and easy maintenance
• 3-inch mandrel-bent tubing ensures consistent diameter through bends for 34% better flow
• Single rear exit configuration provides a clean, performance-oriented aesthetic
• Direct bolt-on design utilizes factory mounting points and OEM hangers for a straightforward installation
• Optimizes horsepower and torque by significantly reducing backpressure
• Moderate to race-tuned sound profile for an enhanced driving experience