O22 O27 Moped Adapter BushingThe 22 27 DBR Adaptation Bushing is designed to facilitate the installation of exhausts with a 27 mm fitting on cylinders with a 22 mm outlet, allowing for a simple and precise adaptation. Main Features Compatibility: 22 mm cylinders and 27 mm exhausts Function: precise adaptation between the manifold and cylinder outlet Material: high strength iron Durability: designed to withstand thermal and mechanical stress Installation: simple and quick Made