The exhaust sound and emission control system according to claim 1, wherein said at least one catalytic converter element is disposed between said external outlet end plate and said exhaust baffle assembly.Ĥ. The exhaust sound and emission control system according to claim 1, wherein said at least one catalytic converter element is disposed between said external inlet end plate and said exhaust baffle assembly.ģ. An exhaust sound and emission control system, comprising: an elongate external housing having a housing wall, an exhaust inlet end, and an exhaust outlet end opposite the exhaust inlet end a convex external inlet end plate and a convex external outlet end plate, respectively secured to and sealing the inlet end and the outlet end of said housing and defining an interior volume therein an inlet pipe and an outlet pipe, respectively penetrating and extending from said external inlet end plate and from said external outlet end plate and communicating with the interior volume an exhaust baffle assembly disposed generally medially within the interior volume, and defining a sinusoidal exhaust gas path at least one concave, transverse internal baffle disposed between said exhaust baffle assembly and one said convex external end plate, and defining a catalytic converter chamber therebetween and at least one catalytic converter element disposed between said exhaust baffle assembly and one said convex external end plate, and extending completely across the catalytic converter chamber.Ģ. Muffler containing inner and outer end walls and longitudinal chambersġ. Muffler and exhaust gas purifier for internal combustion engines Muffler apparatus with filter trap and method of useĬeramic filters for diesel exhaust particulates and methods for makingĬombination muffler and catalytic converter Integral unitary manifold-muffler-catalyst deviceĬombined muffler and catalytic converter exhaust unitĮxhaust system, particularly for two-stroke cycle internal combustion engines Silencer combined with catalytic converter for internal combustion engines and modular diaphragm elements for said silencerĮxhaust system of an internal-combustion engineĮxhaust system of a multi-cylinder reciprocating engineĬollector/muffler/catalytic converter exhaust systems for evacuating internal combustion engine cylinders Muffler with catalytic converter arrangement and methodĮxhaust system for internal combustion engines Muffler device for internal combustion engines

Modular catalytic converter and muffler for internal combustion engine Integrated manifold, muffler, and catalyst device Sound-attenuating muffler for internal combustion engine Sound-attenuating muffler having reduced back pressureĮxhaust sound attenuation and control system Exhaust sound and emission control systems

Exhaust sound control