DUCT FOR A FLUID TO BE TRANSPORTED, IN PARTICULAR IN A MOTOR VEHICLE

Exhaust manifold stiffening ribs

Exhaust silencer device

Method for forming a collar in a muffler housing

Method of manufacturing a cylindrical housing of an exhaust gas treatment unit and method of manufacturing an exhaust gas treatment unit for vehicles

Muffler for an exhaust system

Sub-muffler and manufacturing method of sub-muffler

Exhaust manifold with insulation sleeve

Housing for an exhaust gas-treating device and process for manufacturing same

Exhaust manifold

Method for Producing an Exhaust-Carrying Device

Method for manufacturing concentric double exhaust pipe for internal combustion engine

Spun extrusion side entry muffler