Bellows with interlock as kind of exhaust flexible pipe is installed in the exhaust pipe between the engine exhaust branch pipe and the muffler which makes the connection of the entire exhaust system flexible and plays a role in reducing noise. The interlock with high temperature resistance to increase the strength of flexible pipe could make the life longer. Exhaust flexible pipe with interlock that easy to install and extend the life of exhaust noise reduction system is mainly used for light trucks, small passenger cars and buses. In order to improve the noise reduction effect, an expansion joint or mesh sleeve can be installed in the bellows.

 

 

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