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Low noise, good low speed torque
Aug 01, 2018

The exhaust pipe is part of the engine exhaust system. The exhaust system mainly includes an exhaust manifold, an exhaust pipe and a muffler. Generally, the three-way catalyst for controlling the emission of engine pollutants is also installed in the exhaust system, and the exhaust gas is exhausted. The tube generally includes a front exhaust pipe and a rear exhaust pipe.

 The same principle as the original factory, but the sound will be better than the original factory. Most of the original cars are used. This type of tube mainly relies on the volume change of the grid silencer or tube in the tube to generate a pressure that will return to the cylinder when the engine is ignited. After that, the piston starts the radial action stroke, and the exhaust valve opens before the piston reaches the bottom dead center. At this time, the back pressure inside the pipe will block the exhaust gas from escaping, allowing the mixture to reach complete combustion. However, if the back pressure is too strong, the exhaust gas will not be completely discharged from the cylinder, causing the exhaust gas to burn together with the mixed gas to reduce the combustion efficiency. Of course, the most direct is the output of the horsepower. Its advantages: low noise and good low-speed torque. Disadvantages: Exhaust gas cannot be discharged quickly at high speed, affecting engine power output and low volume.

The exhaust angle of the exhaust pipe of a motor vehicle has always been a problem that is difficult for professional manufacturers to solve. According to the survey, the angle of the exhaust pipe of the car and the light household car is generally parallel to the ground, and the angle of the high-power transport vehicle and the exhaust pipe of the agricultural vehicle is folded to the ground. From the perspective of environmental protection, according to the current angular design and mechanical design principles of the exhaust gas exhaust pipe of the motor vehicle, a new angle-oriented design method has not been specified. The optimal design of all vehicle exhaust emission angle directions should be 180 degrees parallel to the ground for rear-to-vehicle discharge. If the design scheme is not standardized, the manufacturers will design the exhaust gas pipeline to be unfavorable to the environment and will occur when driving. Unexpected infringement. 1. The unfavorable factor formed by the angle of the exhaust pipe being folded to the ground at about 45 degrees.


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