The Sound Booster Pro simulates a high-volume engine (V6 / V8) or develops its own unique sound characteristics. With this active sound system, you get a powerful engine and exhaust sound at the push of a button. KUFATEC produces the Sound Booster Pro for almost all car makes and models. The prerequisite is an engine CAN BUS system. With this vehicle-specific kit for the Mercedes X-Class 470, you get the sound generator with the bracket that is adapted to the vehicle model. No welding or drilling is necessary. System overview: This system is known from Audi, where it is factory-installed on all 313 hp TDI engines The external sound generator simulates a high-volume engine and thus partially covers the typical TDI noise This sound cannot be achieved with any other sports exhaust system The KUFATEC Sound Booster Pro gives the entire system a unique sound, a powerful V6 / V8 sound (depending on configuration) LED status display for easy installation Control and profile settings: Choose between up to 6 sound profiles Profile 1 provides a very discreet sound for noise-sensitive areas Optionally change profiles with: the integrated push button Optional remote control with the control options integrated into the car, e.g. cruise control with the smartphone app "KUFATEC Link" Adjust profiles and diagrams with the free software or with the free smartphone app The push button must be installed at the front (e.g. at the driver's footwell); but it is not necessary to install it Before purchasing: Before purchasing, please download the instructions and check whether there is enough space on the underbody of your vehicle at the location intended for the external noise generator. Due to the different equipment and variants of the same car model, it is possible that in some cases the selected position on the underbody of the vehicle does not provide enough space. Selectable options: PRO EXTENDED With the PRO version, you get the Audi control unit as an external sound module (ESM) and the Maserati ESM with the EXTENDED version. Scope of delivery: Engine sound module (ESM from Audi or Maserati) external sound generator with bracket Sound Booster Pro (module) cable set Note: This product is not approved for use on public roads - to be used for racing purposes only. Please download the instructions before purchasing and check the available space on the underbody of your vehicle