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

CNC-machined aluminum oil filter housing

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

although it does not fit Toyota OE bed light systems

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