Motor vehicle exhaust system

A motor vehicle exhaust system comprising:

• at least one pollution-reducing member, including a body oriented substantially axially and a first end of which comprises an inlet pipe for exhaust gases, at least one side wall of the body including a first outlet that is of transverse orientation and that directs a first exhaust gas flow to an exhaust line of an associated vehicle and a second end of the body including a second outlet that is of axial orientation and that directs a second exhaust gas flow to an exhaust gas recirculation circuit of the associated vehicle, the second outlet carrying the second exhaust gas flow to an inlet pipe of an exhaust gas cooler, an outlet pipe of which carries the second exhaust gas flow to a casing housing an exhaust gas recirculation control valve, wherein the casing housing the exhaust gas recirculation control valve comprises a flange mated to an end flange of the outlet pipe of the cooler, and the casing is fixed directly to a body of the cooler, wherein the body of the pollution-reducing member includes at least one transverse fixing wall that attaches to the body of the cooler.