Exhaust muffler

An exhaust muffler for an internal combustion engine comprising:

• a housing having a sidewall, a first end plate and a second end plate spaced apart and located opposite the first end plate, the housing defining a housing axis;
• a plurality of partitions disposed within the housing defining a plurality of chambers, including
• a first resonator chamber,
• a second resonator chamber,
• a cross-flow chamber, and
• an outlet chamber;
• an inlet pipe disposed through the housing into the first resonator chamber, the inlet pipe including
• a bend located within the first resonator chamber and defining a first inlet axis and a second inlet axis, and
• an aperture located in the bend and being substantially coaxial with the first inlet axis, wherein the inlet pipe is in fluid communication with the first resonator chamber, and
• a first diffuser located in the cross-flow chamber, the first diffuser including a plurality of first diffuser openings disposed in a first annular wall;
• a resonator tube in fluid communication with the second resonator chamber, the cross-flow chamber, and the outlet chamber, the resonator tube including
• a second diffuser located in the cross-flow chamber, the second diffuser including a plurality of second diffuser openings disposed in a second annular wall,
• a resonator port disposed within the second resonator chamber, and
• a packed tube portion disposed within the outlet chamber;
• and
• an outlet pipe disposed through the housing and in fluid communication with the outlet chamber.