Patent ID: 7281606

Claim:
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.