Connecting sleeve for the installation of Ragazzon Rear Sports Exhaust with the part number: 50.0786.64 / 50.0786.84 / 50.0787.64 / 50.0787.84 on the original centre muffler
or
Connecting sleeve for the installation of Ragazzon Front Metallic Sport Catalyst 50.0785.80 on the original centre muffler.