Compact exhaust gas treatment system with serviceable filter

An exhaust gas treatment system for exhaust gases of a combustion engine of a vehicle, comprising:

• an inlet of the exhaust gases,
• an outlet of the exhaust gases,
• a first catalytic converter and a second catalytic converter,
• a filter unit,
• a mixing chamber for evaporating liquid spray and subsequent mixing into the exhaust gases,
• wherein the exhaust gas treatment system comprises a first structure and a second structure being in fluid communication and defining a flow path of the exhaust gases, the second structure being supported by the first structure,
• the first structure comprising the first catalytic converter downstream the mixing chamber, said first catalytic converter having a fluid connection to the outlet of exhaust gases,
• the second structure comprising a filter unit housing removably connected to the first structure and to an inlet module by filter unit housing fixing means, and the inlet module removably connected to the first structure and the filter unit housing,
• said second structure defining a longitudinal axis,
• said filter unit housing comprising the filter unit, and
• said inlet module comprising the second catalytic converter and having a fluid connection to the inlet of exhaust gases,
• the filter unit housing and/or the inlet module being configured to allow its removal from the exhaust gas treatment system.