Universal muffler that can be easily mounted on motorcycle pump sets, generator sets and on vineyard tractors. It is a muffler for inside the bonnet, built without external welding, with special titanium steels with 15/10 aluminum coating with high thermal conduction for a better reduction of fumes in the exhaust. Muffler internally made up of a double body (two elements) in which each one acts on the fluid dynamics of the exhaust as a dissipative silencer through the action of the perforated elements and a reactive silencer through the variation of the gas path. Furthermore, the muffler is constructed in such a way as to avoid any vents at the fitting points. Also compatible with mini excavators and mini mechanical shovels. Below you will find all the detailed information about the product. Technical features: internal diameter : 45 mm Total length: 575 mm height: 165 mm weight: 3.4 kg Applications: The tractor muffler for inside the bonnet can be installed on tractors ranging from 20 to 60 hp, on pump motor units and generator sets._x000D_Diameter 45 mm Applications from 20 to 60 hp - generator sets - motor pump groups Weight 3.4 kg