In an arrangement for joining tubular duct sections, especially the end sections of pipes of a motor vehicle exhaust system, wherein the end sections are received in one another such that one end section extends around the other in spaced relationship with a seal structure disposed therebetween, the one end section has slots and a spring structure is inserted through the slots into the space between the pipe end sections and has spring legs disposed in the space between the pipe end sections in engagement with the pipe end sections for holding them in firm axial engagement with each other and with the seal structure disposed between the pipe end sections.