Fi EXHAUST Audi S4 / S5 (B9) l 2017+ Cat-back

The sports exhaust of the manufacturer Fi EXHAUST, designed for Audi S4 / S5 (B9) l 2017+. Made of stainless steel T304 and finished with 4 tips in colors to choose from: (Available options). Optionally, the system can be expanded by a high flow downpipe de-cat or downpipe with a sports catalyst. The Fi EXHAUST system was designed using Valvetronic technology to control air flow, sound volume and increase overall performance and torque. When the valves are closed the system provides comfortable driving. However, when the valves are completely open, there is an intense and sporting soundtrack. Switching between sound profiles can be done by using the factory mode change button or optional Fi EXHAUST remote control and mobile application.