Abstract: An exemplary compressor housing includes an axis to coincide with a rotational axis of a compressor wheel housed by the compressor housing, an inlet insert that includes an inlet port and a compressor wheel shroud portion that extends away from the inlet port to a ridge and a base component that defines, at least in part, a diffuser section and a scroll wherein the diffuser section extends radially outward to the scroll, wherein the ridge of the inlet insert defines, at least in part, an inlet to the diffuser section and wherein a joint exists between the inlet insert and the base component along a radius in the diffuser section. Various other exemplary technologies are also disclosed.