| 摘要 |
An exhaust that has two isolated baffle systems in one container. This allows the exhaust from one manifold to be muffled and exhausted independently of the other manifold's exhaust. Moreover, the muffler is the same size as existing mufflers, so that it fits into the space of the prior art mufflers. Using two independent muffler elements (baffles and outer covering cans) eliminates all of the problems discussed above and increases the engine horsepower without reducing efficiency. An outer shroud covers the two muffler elements and is also designed to act as a heat exchanger. Fresh air can be pulled through the muffler to be heated for cabin heat and for carburetor heat. The shroud has space around the muffler cans, through which the fresh air passes. Inlet and outlet ports are provided to allow hoses to be connected as needed.
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