Akrapovic 2020 BMW M340i (G20) / 2021 BMW M440i (G22) Sound Kit turn14-in-stock Features Injen's patented Air Fusion

Features Injen's patented Air Fusion Technology

From the 35" BF Goodrich tires to the cast aluminum SVT control arms

Increased Torque Up To 7

5 Metric Female (Incl O-Ring)

Akrapovic 2020 BMW M340i (G20) / 2021 BMW M440i (G22) Sound Kit turn14-in-stock Features Injen's patented Air FusionManufacturer Part # : P HF1351 Market Description The 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,