PWR - Exhaust Valve Controller BMW M F8x F9x G8x S55/S58/S63 G81 S63tu4 powered vehicle and go

S63tu4 powered vehicle and go from stock to full race calibration

BMW G82 M4 - 2021+

Elimination of flash plating on the back of the bearings to improve heat transfer through the bearings and to maximize the grip between the bearings and its housing

Made from titanium – with some parts cast in Akrapovic’s own foundry – this system will reduce exhaust systems weight by over 45 procent and deliver extra power and lower backpressure

2' F87 M2 N55 (2015 - 2018)

PWR - Exhaust Valve Controller BMW M F8x F9x G8x S55/S58/S63 G81 S63tu4 powered vehicle and goWith this plug & play control unit you have the ability to open or close the exhaust flaps as required. The control unit works smoothly with the series system and lets you enjoy completely new sound experiences. Of course, the effect is even stronger in combination with a sports exhaust system. Origin: Made in Germany Installation location: either in the trunk of your car or behind the bumper (controller is waterproof) number of controlled flaps: 2