An apparatus for producing an extruded product mixed inhomogeneously including means for supplying a first substream product mass disposed within a first subpasaje (124) having an inner surface and a second substream mass disposed within a second subpasaje (124) having an inner surface, a passage interconnecting (240) in communication with the first and second passage (124), an outlet (40) in communication with the passage interconnection (240) and a mixer static (244), characterized by comprising a transition element (246) including an upstream face, a downstream face and a peripheral edge extending between the faces upstream and downstream, where the peripheral edge corresponds to and can slidingly received in the passage interconnecting (240), a first and a second set of subpasajes (248) extending between the faces upstream and downstream of eleme nto transition (246), a first and a second channel (250A) extending from the upstream face to the downstream face, but spaced therefrom, wherein the first channel (250A) is in communication with the first subpasaje (124) and the first set of subpasajes (248) but not the second subpasaje (124) or the second set of subpasajes (248), wherein the second channel (250A) is in communication with the second subpasaje (124) and the second set of subpasajes (248) but not in communication with the first subpasaje (124) or the first set of subpasajes (248), and wherein the static mixer (244) is located in the passage interconnecting (240) in intermediate position between the outlet (40) and the downstream face of the transition element (246).Un aparato para producir un producto extrudido mezclado de manera no homogénea, que incluye medios para suministrar un primer subflujo de masa de producto dispuesto dentro de un primer subpasaje (124) que presenta una superficie interior y un segundo subflujo de masa dispuesto dentro de un segundo subpasaje(124) que presenta una superficie interior, un pasaje de interconexión (240) en comunicac
