| 摘要 |
Disclosed is an exhaust extension apparatus and method for converting a motorcycle exhaust system into a dual or quadruple exhaust system. The device is suited for motorcycles, off-road vehicles, or a vehicle with a reciprocating engine with multiple cylinders. Each exhaust extension unit comprises two metallic pipes shaped and welded together to form an exhaust extension unit having one exhaust intake and two equal-flow exhaust exits. Two exhaust extension units may be paired and connected to the exhaust pipes on each side of a motorcycle rider's seat, thereby providing a quadruple set of exhaust pipes and further, an increase in the performance of the engine.
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