GP-M2 muffler: https://store.sc-project.com/en-IT/Bike_KAWASAKI_Z-900-2020/3811_K34-18C-GP-M2-Muffler.htm
Different SC-Challenge Exhausts for Kawasaki Z900: https://store.sc-project.com/en-IT/Bike_KAWASAKI_Z-900-2020/
SC-Challenge Store: https://store.sc-project.com/en-IT
Extra Information: https://www.sc-project.com/en
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