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 kgApplications: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