My GT experienced an exhaust servo motor failure within its first 5,000 miles, with several days of riding between where I was and home. The servo motor cycles open/close/open every time the ignition is switched on, and if the ECU detects a fault in the servo/flapper valve's range of motion then or while riding, it throws an MTC FAILURE code. This could be caused by a sticking flapper valve, sticking or maladjusted cables, a bad hall-effect sensor, or a problem with the electric motor itself (my issue). This is not likely a roadside repair. My eventual warranty replacement needed to be dealer installed and calibrated with KTM's x1 diagnostic tool. A week later I was back at the dealer again for a re-calibration. As noted in the product description, when these bikes throw an MTC failure code, the clever software that usually operates unnoticed in the mysterious place between the throttle position sensor and the throttle body actuator motor, making fine adjustments and improving the rider experience, goes offline. This leaves the operator without cruise control, traction control or ride modes, puts the engine in a very, VERY conservative state of tune, and turns sanguine riders into foaming-at-the-mouth technophobes. Even if you have no intention of making any changes to the exhaust system, nor interest in removing the exhaust servo motor, I would recommend purchasing one of these as "trip insurance" and putting it in your tool kit. Identify and eliminate variables and failure points. Brilliant product, delivers on its promises.