With the KUFATEC Exhaust Pro you have full control over the behavior of the exhaust system Suitable for: Porsche Cayenne 9YA Porsche Cayenne 9YB Control is carried out using the smartphone app "KUFATEC Link" KUFATEC Link is available free of charge on Google Play and Apple App Store ESP button (3x click) Exhaust button (2 sec.) optional radio remote control The following functions are available in the "KUFATEC Link": General diagnostics with CAN packet counter Pin protection Incognito mode (the module is completely invisible after the set time) Software updates Over The Air Factory reset Display of the following information Damper position (open / closed) Engine speed Accelerator pedal position Actual vehicle speed Operating status of the module: Series: Dampers behave as factory Open: Flaps are permanently open Closed: Dampers are permanently closed, but are open when pedal force is > 70% or engine speed is above 4,500 rpm Scope of delivery: KUFATEC module KUFATEC cable set Note: This product is not approved for use on public roads - use for racing purposes only. Sales are only made outside Germany