The present invention relates to an exhaust gas cleaning device (2) of an exhaust system (1) of a combustion engine, more preferably of a motor vehicle, with a catalytic converter unit (3) having a catalytic converter support pipe (7) and at least one oxidation catalytic converter element (8) mounted in the catalytic converter support pipe (7), and with a particle filter unit (4) having a particle filter support pipe (11) and at least one particle filter element (12) mounted in the particle filter support pipe (11).A simple handling with simple construction can be achieved with a receiving pipe (5) in which one of the support pipes (7, 11) is axially inserted, and with a clamp connection (6) which sets the receiving pipe (5), the catalytic converter support pipe (7) and the particle filter support pipe (11) against one another.