This 2.5" diameter into dual 2" tail pipes BORLA® Cat-Back™ system is tuned for performance and sound for the 2.4L engine in the BRZ and GR86. Our S-Type sound level is designed to bring out the Subaru engine rumble and provides a moderate sound without any drone. This system features single 5" round carbon fiber with black anodized center tips on each tail pipe. Systems are also available with bright chrome on T-304 stainless steel tips, and black chrome on T-304 stainless steel tips. A system with a single outlet in the rear on the passenger side is also available. For ease of installation, this Cat-Back™ is a direct bolt on part and does not require cutting. BORLA® Cat-Back™ and Axle-Back exhaust systems feature patented straight-through and multi-core technology designed to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive BORLA® Sound of Power respected by motoring enthusiasts everywhere. Like all BORLA® exhaust products, each system is handmade in the USA by master craftspeople and features premium, high-quality T-304 austenitic stainless steel construction. Ultra-smooth mandrel bends ensure maximum flow & power, and precision computer numerical control (CNC) manufacturing ensures an accurate fit. Best of all it features a Million-Mile Warranty.