Akrapovic Sound Kit for 2020-2021 Audi S3(P-HF1369) 1851 FACTORY CALIBRATION RESISTOR OR FREE-AIR

FACTORY CALIBRATION RESISTOR OR FREE-AIR CAL

Flywheel Weight (lbs): 30

2003 Toyota MR2 Spyder Convertible 1

An additional wire is included for adding an optional on/off solenoid to stop fluid flow when the system is inactive

Akrapovic Sound Kit for 2020-2021 Audi S3(P-HF1369) 1851 FACTORY CALIBRATION RESISTOR OR FREE-AIRThe optional Akrapovic Sound Kit enables owners of selected Akrapovic car exhausts to control the sound of the system from the cockpit of their machine. Using Akrapovic technology, drivers can easily switch between the quiet mode and a sportier sound. With the use of a receiver (already included in evolution system) 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