Patent ID: 7127884

Claim:
A muffler having an integrated catalytic converter for an exhaust line of an internal combustion engine comprising: (a) a housing having an input end, an output end, an intake trumpet on the input end, and an exhaust pipe on the output end, said intake trumpet having an intake trumpet outlet end; (b) an inlet chamber housing inserted as a separate component into the housing comprising an inlet chamber communicating with said intake trumpet outlet end; and (c) at least two catalytic converter elements arranged in the housing having parallel flow through said at least two catalytic converter elements, each catalytic converter element comprising one catalytic converter element inlet end in the inlet chamber and one catalytic converter element outlet end in an outlet chamber, said inlet chamber being sealed off from the outside and from the intake trumpet and said at least two catalytic converter elements to the extent that during operation of the internal combustion engine, exhaust gas entering the inlet chamber through the intake trumpet leaves the inlet chamber only through said at least two catalytic converter elements.