A mechanic’s joke about a 2023 Hyundai Tucson part has sparked a conversation about its hybrid system. Hyundai did it,” he says.”Hyundai Tucson Muffler Bearing JokeIn the automotive world, there are a few fictional mechanical components that are rattled off as jokes. Gallery: 2022 Hyundai Tucson 19The EHRS hose assembly is sold on HyundaiPartsDeal for $64.31. The EGR system for a 2023 Tucson Hybrid listed on Hyundai’s OEM parts website looks similar to one of the parts. Documentation from Hyundai on the National Highway Traffic Administration’s website indicates that Auto Fixit is indeed referring to the EHRS.