A vehicle exhaust system has a first exhaust pipe adapted to be connected to a first exhaust port of an engine, a first expansion chamber connected to the first exhaust pipe, a second exhaust pipe adapted to be connected to a second exhaust port of an engine, a second expansion chamber connected to
A vehicle exhaust system has a first exhaust pipe adapted to be connected to a first exhaust port of an engine, a first expansion chamber connected to the first exhaust pipe, a second exhaust pipe adapted to be connected to a second exhaust port of an engine, a second expansion chamber connected to the second exhaust pipe, a collector connected to the first and second expansion chambers, a third exhaust pipe connected to the collector, and a first muffler connected to the third exhaust pipe. A vehicle having the vehicle exhaust system is also disclosed.
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1. A vehicle exhaust system comprising: a first exhaust pipe adapted to be connected to a first exhaust port of an engine;a first expansion chamber connected to the first exhaust pipe;a second exhaust pipe adapted to be connected to a second exhaust port of an engine;a second expansion chamber conne
1. A vehicle exhaust system comprising: a first exhaust pipe adapted to be connected to a first exhaust port of an engine;a first expansion chamber connected to the first exhaust pipe;a second exhaust pipe adapted to be connected to a second exhaust port of an engine;a second expansion chamber connected to the second exhaust pipe;a collector connected to the first and second expansion chambers, the first and second expansion chambers being received in part inside the collector;a third exhaust pipe connected to the collector; anda first muffler connected to the third exhaust pipe. 2. The vehicle exhaust system of claim 1, further comprising: a fourth exhaust pipe connected to the collector; anda second muffler connected to the fourth exhaust pipe. 3. The vehicle exhaust system of claim 1, further comprising a catalytic converter connected downstream of the collector and upstream of the third exhaust pipe. 4. The vehicle exhaust system of claim 3, wherein exhaust gases from the first and second exhaust pipes flow through the catalytic converter. 5. The vehicle exhaust system of claim 1, wherein the first and second expansion chambers are adjacent to each other. 6. The vehicle exhaust system of claim 1, wherein the first expansion chamber is a first resonator and the second expansion chamber is a second resonator. 7. The vehicle exhaust system of claim 6, wherein: the first exhaust pipe extends through the first resonator,the first exhaust pipe has an end disposed inside the collector,a portion of the first exhaust pipe disposed inside the first resonator defines at least one aperture fluidly communicating the first exhaust pipe with the first resonator,the second exhaust pipe extends through the second resonator,the second exhaust pipe has an end disposed inside the collector, anda portion of the second exhaust pipe disposed inside the second resonator defines at least one aperture fluidly communicating the second exhaust pipe with the second resonator. 8. The vehicle exhaust system of claim 2, wherein each of the first and second exhaust pipes is longer than each of the third and fourth exhaust pipes. 9. The vehicle exhaust system of claim 1, wherein a flow of exhaust gases inside the first exhaust pipe and the first expansion chamber is separate from a flow of exhaust gases inside the second exhaust pipe and the second expansion chamber; and wherein the flow of exhaust gases from the first exhaust pipe and the first expansion chamber is mixed with the flow of exhaust gases from the second exhaust pipe and the second expansion chamber inside the collector. 10. A vehicle comprising: a frame;an internal combustion engine mounted to the frame, the internal combustion engine having a first exhaust port and a second exhaust port;a first exhaust pipe connected to the first exhaust port;a first expansion chamber connected to the first exhaust pipe, the first expansion chamber being disposed rearward of the engine;a second exhaust pipe connected to the second exhaust port;a second expansion chamber connected to the second exhaust pipe, the second expansion chamber disposed rearward of the engine;a collector connected to the first and second expansion chambers;a third exhaust pipe connected to the collector; anda first muffler connected to the third exhaust pipe, the first muffler being disposed rearward of the collector. 11. The vehicle of claim 10, further comprising: a fourth exhaust pipe connected to the collector; anda second muffler connected to the fourth exhaust pipe, the second muffler being disposed rearward of the collector. 12. The vehicle of claim 10, further comprising a catalytic converter connected downstream of the collector and upstream of the third exhaust pipe. 13. The vehicle of claim 12, wherein exhaust gases from the first and second exhaust pipes flow through the catalytic converter. 14. The vehicle of claim 10, wherein the first and second expansion chambers are adjacent to each other. 15. The vehicle of claim 10, wherein the first and second expansion chambers are received in part inside the collector. 16. The vehicle of claim 10, wherein the first expansion chamber is a first resonator and the second expansion chamber is a second resonator. 17. The vehicle of claim 16, wherein: the first exhaust pipe extends through the first resonator,the first exhaust pipe has an end disposed inside the collector,a portion of the first exhaust pipe disposed inside the first resonator defines at least one aperture fluidly communicating the first exhaust pipe with the first resonator,the second exhaust pipe extends through the second resonator,the second exhaust pipe has an end disposed inside the collector, anda portion of the second exhaust pipe disposed inside the second resonator defines at least one aperture fluidly communicating the second exhaust pipe with the second resonator. 18. The vehicle of claim 11, wherein each of the first and second exhaust pipes is longer than each of the third and fourth exhaust pipes. 19. The vehicle of claim 11, wherein the first and second mufflers are disposed on opposite sides of a longitudinal centerline of the vehicle. 20. The vehicle claim 10, wherein the first and second expansion chambers each have an inlet; and wherein the inlets are disposed on a same side of a longitudinal centerline of the vehicle. 21. The vehicle of claim 10, wherein a flow of exhaust gases inside the first exhaust pipe and the first expansion chamber is separate from a flow of exhaust gases inside the second exhaust pipe and the second expansion chamber; and wherein the flow of exhaust gases from the first exhaust pipe and the first expansion chamber is mixed with the flow of exhaust gases from the second exhaust pipe and the second expansion chamber inside the collector. 22. A vehicle exhaust system comprising: a first exhaust pipe adapted to be connected to a first exhaust port of an engine;a first resonator connected to the first exhaust pipe, the first exhaust pipe extending through the first resonator;a portion of the first exhaust pipe disposed inside the first resonator defining at least one aperture fluidly communicating the first exhaust pipe with the first resonator;a second exhaust pipe adapted to be connected to a second exhaust port of an engine;a second resonator connected to the second exhaust pipe, the second exhaust pipe extending through the second resonator;a portion of the second exhaust pipe disposed inside the second resonator defining at least one aperture fluidly communicating the second exhaust pipe with the second resonator;a collector fluidly connected to the first and second exhaust pipes, the first exhaust pipe having an end disposed inside the collector, the second exhaust pipe having an end disposed inside the collector;a third exhaust pipe connected to the collector; anda first muffler connected to the third exhaust pipe. 23. The vehicle exhaust system of claim 22, further comprising: a fourth exhaust pipe connected to the collector; anda second muffler connected to the fourth exhaust pipe. 24. The vehicle exhaust system of claim 22, further comprising a catalytic converter connected downstream of the collector and upstream of the third exhaust pipe. 25. The vehicle exhaust system of claim 24, wherein exhaust gases from the first and second exhaust pipes flow through the catalytic converter. 26. The vehicle exhaust system of claim 22, wherein the first and second resonators are adjacent to each other. 27. The vehicle exhaust system of claim 23, wherein each of the first and second exhaust pipes is longer than each of the third and fourth exhaust pipes. 28. The vehicle exhaust system of claim 22, wherein a flow of exhaust gases inside the first exhaust pipe and the first resonator is separate from a flow of exhaust gases inside the second exhaust pipe and the second resonator; and wherein the flow of exhaust gases from the first exhaust pipe and the first resonator is mixed with the flow of exhaust gases from the second exhaust pipe and the second resonator inside the collector.
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