BMW E46 M3 Fi Exhaust (Frequency Intelligent Exhaust) high-performancevalvetronic 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 from5-10%after installing a full catless system
When valves are closed exhaust gasses are routed through the muffler resulting in a low-profile comfortable drive. However, when the valves are fully open an intense and sporty soundtrack is produced.
Switching between street and race sound profiles can be done usingfactory exhaust/sport button or drive mode, or optionalFi EXHAUST remote control and mobile App.
The unique sound and performance for BMW E46 M3 is achieved throughindividually designed muffler internals that are fabricated to offer an ultimate driving experience.
Kit Includes:
Valvetronic Muffler + Tip Color of choice + Standard Remote Control Module
