BMW X3 M / Competition / X4 M / Competition (F97 / F98) | Akrapovic | Sound Kit display-Mandatory It increases responsiveness and an

It increases responsiveness and an improved power-to-weight ratio has been achieved without removing the catalytic converters

Porsche    911 GT3 / GT3 RS (997) 3

As the most visible part of an exhaust system

Akrapovič invests extensively in research and development to deliver a deep

BMW X3 M / Competition / X4 M / Competition (F97 / F98) | Akrapovic | Sound Kit display-Mandatory It increases responsiveness and anThe 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)