FI Exhaust Valvetronic Cat-Back System For Audi S4 / S5 (B9) 2018-2024 Drivetrain>Differential Spider Gears Oval Straight-Through Performance Exhaust Muffler

Oval Straight-Through Performance Exhaust Muffler 12265 is engineered to enhance your ride with a healthy helping of our signature exhaust sound and dyno-proven performance thanks to its free-flowing straight-through perforated stainless steel core wrapped in stainless steel mesh and acoustic fiber fill

improving power potential while keeping interior drone to a minimum

Rated at 14

Our specially designed O2 sensor and wiring harness are included for ease of installation

FI Exhaust Valvetronic Cat-Back System For Audi S4 / S5 (B9) 2018-2024 Drivetrain>Differential Spider Gears Oval Straight-Through Performance Exhaust MufflerAudi B9 S4 Fi Exhaust (Frequency Intelligent Exhaust) high performance valvetronic exhaust system is direct replacement bolt on system manufactured out of a high grade T304 stainless steel that offers an exhilarating soundtrack. The Fi EXHAUST system is designed with a valvetronic technology to control airflow, sound volume and enhance the overall performance and torque. On average horsepower is expected to increase from 5 10% after installing a full