Abstract: The invention relates to a component of an exhaust system for an internal combustion engine, having a tubular body and an insulation body which is arranged on the outside of the tubular body, forming an annular space which is arranged radially between the tubular body and the insulation body and surrounds the tubular body in the circumferential direction. The insulation body is attached to the tubular body at least on one of its axial ends with at least one welded joint on the tubular body.

Abstract: Jacket housing of an exhaust gas device of a motor vehicle, particularly an exhaust muffler or an exhaust gas catalyst of an automobile, with a jacket manufactured from a sheet blank. At least the longitudinal connection of the jacket manufactured from the sheet blank includes a laser weld seam.