Automobile silencer with filter element convenient to replace

The utility model discloses an automobile silencer with a filter element convenient to replace, and belongs to the technical field of automobile silencers. The automobile silencer comprises a shell, a first noise reduction cavity, a second noise reduction cavity, a third noise reduction cavity and a cavity are sequentially formed in the shell, the first noise reduction cavity, the second noise reduction cavity, the third noise reduction cavity and the cavity are communicated through an air inlet pipe, a middle pipe and an air outlet pipe, the air outlet pipe is fixedly installed in the shell, one end of the air outlet pipe is communicated with the first noise reduction cavity, and the other end of the air outlet pipe is communicated with the second noise reduction cavity. An upper cover is rotatably mounted at the position, located in the cavity, of the air outlet pipe, the upper cover and the air outlet pipe are detachably connected through a buckle assembly, and a filter element assembly is detachably mount