Exhaust gas treatment device

An exhaust system for an internal combustion engine of a vehicle, comprising an exhaust gas treatment device, the exhaust gas treatment device comprising:

• an exhaust gas treatment housing with a housing inlet and with a housing outlet;
• an exhaust gas treatment unit in the exhaust gas treatment housing with an exhaust gas treatment unit inlet following the housing inlet and with an exhaust gas treatment unit outlet;
• an SCR catalytic converter device in the exhaust gas treatment housing with an SCR catalytic converter device inlet following the exhaust gas treatment unit outlet and with an SCR catalytic converter device outlet;
• a reactant releasing device for releasing reactant upstream of the SCR catalytic converter device inlet;
• and
• an exhaust gas duct formed in an exhaust gas pipe, the exhaust gas duct leading in the exhaust gas treatment housing to the SCR catalytic converter device inlet such that exhaust gas leaving the SCR catalytic converter device at the SCR catalytic converter device outlet flows around the exhaust gas pipe in at least some areas.