The invention discloses an automobile exhaust
noise-abatement device. The device comprises a
tail gas
pipe and an air outlet
pipe, and a first groove is formed in the upper portion of the interior ofthe
tail gas
pipe; a flat pipe is arranged on the left side of the interior of a
water cooling pipe, and a second groove is formed in the middle of the interior of the flat pipe; a baffle is arrangedon the left side of a
medicine box, and a clamping column is arranged on the left side of the baffle; a curved pipe is arranged on the right side of the interior of the
water cooling pipe, and a silencing device is arranged inside the curved pipe; and a hole pipe is arranged inside the silencing device, and a first
acoustic insulation board is arranged in the upper portion of the interior of the hole pipe; and the hole pipe is arranged on the left side of the air outlet pipe, and silencing cotton is arranged on the inner surface of the air outlet pipe. According to the automobile exhaust
noise-abatement device, detaching is convenient, time and labor are relatively saved, the
tail gas can be cooled, the situation that the service life of the
noise-abatement device is influenced due to toohigh temperature is avoided, purification treatment can be carried out on the automobile exhaust at the same time, damage to the silencing device can be avoided, and vibration can be buffered.