What is the reason for the excessively loud exhaust of the VOGE 300AC?

[EmmanuelLee]

The reason for the excessively loud exhaust of the VOGE 300AC: Damage to the muffler and exhaust pipe. Reasons for abnormal noise in the car's exhaust pipe: Damage to the muffler and exhaust pipe; There is a heat shield between the exhaust pipe and the ground, which may be caused by aging of the heat shield; It may be due to a carburetor and platinum fault or delayed ignition timing. If the ignition timing is too late, the spark plug starts to ignite when the engine piston is very close to the top dead center, causing delayed and incomplete combustion of the mixture. When the piston moves downward or even when the exhaust valve opens, the mixture is still burning. The expansion of the combustion chamber volume and the delayed expansion of the gas cause the exhaust pipe to make noise. Solutions for abnormal noise in the car's exhaust pipe: Installing a muffler inside the exhaust pipe can greatly reduce the noise of the car; Quickly press the accelerator pedal, the sound of the engine power increase should be smooth and without hesitation. Carefully distinguish the sound of the engine at various speeds and promptly go to the repair shop for repairs.