The Akrapovic Kit "Evolution Line" 61705999000 offers substantial weight savings and an increase in power with its optimum manifold guidance, special engine mapping, and high-grade titanium construction. Enjoy a better response and significantly more torque with this racetrack ready exhaust system, developed with uncompromising looks and noise regulations. Unparalleled workmanship, plus a high-quality look, make this system ideal for the track. Optimum manifold guidance Greater performance due to special engine mapping Great sound Uncompromising race look Manufactured entirely from high-grade titanium Complies with current FIM noise regulations Better response Significantly more torque Substantial weight saving Developed for use on the racetrack High-quality look Highest quality workmanship The weight of the Akrapovic Evolution Line" exhaust system is just 3.8 kg. Compared to the standard exhaust system, it offers a weight saving of 6.4 kg!! The power gets increased by 5 hp. The Akrapovic kit "Evolution Line" can only be used in combination with the specific engine mapping and is intended for track use only. It is technical wise not possible to use this specific engine mapping respectively the Akrapovic Evolution Line exhaust system on the public road. Please note that the engine mapping for this exhaust must be installed by a KTM dealer, the cost of which is not included in the price of the exhaust. All indicators need to get disconnected before the engine can be started. Fits This exhaust system is compatible with the following KTM motorcycle models: 1290 Super Duke R 2020-2023 1290 Super Duke R EVO 2022-2023 1290 Super Duke RR 2021-2023 1390 Super Duke R 2024