With this installation kit, it is possible to integrate the exhaust system of the Audi SQ7 into the Audi Q7 3.0 TDI engine the standard silencer is simply replaced by the SQ7 silencer the two double tailpipes give the car a sporty look and the typical SQ7 optics the SQ7 exhaust gives the diesel a powerful sound with its two engine noise generators the typical diesel sound is largely drowned out, especially when accelerating the KUFATEC Sound Booster Pro gives the entire system a unique sound a powerful V6 / V8 sound (depending on the configuration) you can choose between 6 sound profiles sound profile selection via push button (installation is recommended in the front area e.g. in the driver's footwell), control integrated into the vehicle or with the remote control Control and profile settings: you can choose between a maximum of 6 profiles change the sound profiles with: the integrated push button as standard remote control optional control options integrated into the vehicle e.g. cruise control mobile app "KUFATEC Link" We recommend installing the button in the front area (e.g. in the glove compartment); but this does not necessarily have to be installed Adaptation of profiles, maps and sound via free software or via the free app you decide (e.g. via the Drive Select menu) whether the module should act actively or passively "Power-Start" - When the engine is started, the exhaust system wakes up briefly (this function can be activated or deactivated via the Drive Select in the MMI, software or app) Selectable options: with exhaust cover without exhaust cover Scope of delivery: control unit for engine noise generation Sound Booster Pro (module) cable set 1 x adapter for 3.0 TDI exhaust 1 x exhaust bracket 2 x double pipe cover (not with 41517-1) 2 x double clamp Note: This product is not approved for use on public roads - use for racing purposes only. the original exhaust system Audi SQ7 4M0253078AQ is not included in the delivery only suitable for Audi Q7 4M 3.0 TDI up to year 2019