The invention relates to the technical field of automobile accessories, and discloses an automobile exhaust pipe with a good muffling effect. The automobile exhaust pipe comprises a body. An air inletchannel is fixedly installed on the left side of the body, a partition plate is fixedly installed on the left side of the body, an air inlet hole is formed in the middle of the partition plate, a flow splitting joint is fixedly installed on the right side of the partition plate, and communicating pipes are fixedly installed on the upper and lower ends of the right side of the flow splitting jointcorrespondingly. According to the automobile exhaust pipe with the good muffling effect, through arrangement of the an air inlet channel, exhaust gas after combustion in an engine can be discharged into the exhaust pipe; through arrangement of the partition plate, the exhaust gas entered the exhaust pipe can stay for a short time, and then enter an purification device; through arrangement of theflow splitting joint, the exhaust gas entered the exhaust pipe is muffled through two mufflers; and through arrangement of connecting blocks, muffling rods can be fixed inside the mufflers, and the purpose of good muffling effect is achieved.