601005980

Connecting sleeve for the installation of 50.0914.40 / 50.0915.40 / 50.0917.58 / 50.0917.78 / 50.0918.58 / 50.0918.78 on the original centre muffler

or

Connecting sleeve for the installation of 55.0687.00 on the original rear muffler

Inner input diameter 76

Outer input diameter 70