Akrapovič P-HF1177 Sound Kit for BMW models E-TY/SS/3 there is the option to

there is the option to add a hand-crafted carbon-fibre diffuser

comes with red/white Akrapovič logo

can be seen in the engine mountings

It matches the OEM throttle body with an internal step to ensure smooth flow

Drop links are a great upgrade

Akrapovič P-HF1177 Sound Kit for BMW models E-TY/SS/3 there is the option toThe optional Akrapovi Sound Kit enables owners of selected Akrapovi car exhausts to control the sound of the system from the cockpit of their machine. Using Akrapovi technology, drivers can easily switch between the quiet mode and a sportier sound. With the use of a receiver to drive the actuators that open or close the valves at the end of the exhaust system, drivers can use the Sound Remote Controller or the new smartphone app (for iOS and Android)