Mid Link Pipe Fits: KTM DUKE 890 2020-2023 890 SMT 2023 This will not fit the 2024 model. - TIG welding by hand ensures a smooth internal surface for decreased internal turbulence and increased potential. - Compatible with the OEM silencer / muffler and others that fit the OEM system. - Increased potential with enhanced sound. - No modifications required. (Re-mapping, Power commander). Lambda sensor (O2 sensor) is located on the original front pipe which is retained and used with this upgrade. - Fitting instructions included. This kit requires the use of the existing OEM clamps and gaskets. - Two year Black Widow warranty.