Vehicle muffler

A vehicle muffler, comprising:

• a first baffle, a second baffle, and a third baffle disposed in series to partition an internal of a housing into a first chamber, a second chamber, a third chamber, and a fourth chamber along a longitudinal direction of the housing;
• a suction tube disposed to penetrate the housing, the first baffle, the second baffle, and the third baffle in series, having an inlet located at an outside of the housing, having an outlet located in the fourth chamber, and formed with a first through-hole in a section of the suction tube located in the first chamber, a second through-hole in a section of the suction tube located in the second chamber, and a third through-hole in a section of the suction tube located in the third chamber;
• a first discharge tube disposed to penetrate the first baffle, the second baffle, and the housing in series, having an inlet located in the first chamber, and having an outlet located at the outside of the housing;
• a second discharge tube disposed to penetrate the second baffle, the third baffle, and the housing in series, having an inlet located in the second chamber, and having an outlet located at the outside of the housing;
• and
• a connection tube disposed to penetrate the second baffle and the third baffle in series, having an inlet located in the second chamber, and having an outlet located in the fourth chamber.