Exhaust Downpipes Fits: Honda CB1000R Neo Sports Cafe 2018, 2019, 2020, 2021, 2022, 2023, 2024 models. - Ultra light pipe work weighs 3.8 KG/ 8.37 lbs weigh a fraction of the original. - Accepts the original Lambda (O2) sensor, no modifications for bikes on standard settings. - Identical silencer connection as the original, accepts the original or silencer or any that you are currently using. - TIG welded by hand for super smooth internals for maximum internal gas flow. - Downpipes expand from 37mm to 42mm for increased throttle response.. - 4 exhaust port gaskets, silencer gasket, central mounting bolt kit, tension springs with fitted anti vibration rubbers are included. - No re-fueling or changes to the original set up are required.