This is a new Kit** GAS GAS EC 2T 300 cc 2021/2023 HUSQVARNA TE 300 cc 2020/2023 HUSQVARNA TX 300 cc 2020/2023 KTM EXC 300 cc 2020/2023 KTM XC 300 cc 2020/2023 KTM XC-W 300 cc 2020/2023 The RACE KIT allows a more enjoyable riding experience and it’s the best choice for racing. It includes the innovative ECULMB unit, developed for 2-stroke injection engines for the enduro models by KTM/ Husqvarna/ GASGAS, and aluminum injection support. With this kit, the injectors move between the cylinder and throttle body, allowing a totally smooth riding experience and a huge power increase, especially at low/medium RPM. The ECU included in the RACE KIT comes with 2 different maps: - Map1: Racing configuration with no GPA “traction control” - Map 2: Racing configuration with GPA “traction control” set at level 5. https://www.athena.eu/en-us/race-kit-eculmb-2-stroke-P13564.htm