Akrapovic Sound Kit for 2020-2021 BMW M340i(P-HF1351) 1707 Looks great through the glass

Looks great through the glass engine cover

Dyno-Proven Gains up to +15 HP and +14 Lbs

but you can see from the datalogs below that when compared to the OEM pulley

This allows you to switch from a normal intake kit to a snorkel system to a ram air kit - all utilizing the Injen EVO5007 as a starting point

3 Position Adjustable

Akrapovic Sound Kit for 2020-2021 BMW M340i(P-HF1351) 1707 Looks great through the glassThe 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