Muffler for vehicle for implementing sporty exhaust sound

A muffler for a vehicle, comprising:

• a case sealed at both ends thereof by a first side panel and a second side panel;
• a first baffle plate and a second baffle plate, which are installed in an internal space of the case to be parallel to and spaced apart from each other;
• a first chamber formed between the first side panel and the first baffle plate;
• a second chamber formed between the first baffle plate and the second baffle plate;
• a third chamber formed between the second baffle plate and the second side panel;
• an intake tube installed to perpendicularly pass through the first side panel, the first baffle plate, and the second baffle plate, and wherein the intake tube comprises:
• an inlet port formed on a first side thereof and configured to allow exhaust gas to enter,
• an outlet port formed on a second side thereof,
• at least one first hole formed in a first body section that is located in the first chamber, and
• at least one second hole formed in a second body section that is located in the second chamber;
• and
• a pair of exhaust tubes installed to perpendicularly pass through the first baffle plate, the second baffle plate, and the second side panel, and each exhaust tube of the pair of exhaust tubes comprises:
• an inflow port formed on a first side thereof and configured to allow the exhaust gas to enter,
• an outflow port formed on a second side thereof and configured to discharge the exhaust gas introduced through the inflow port to an outside of the case, and
• at least one vent hole formed in first body sections of the pair of exhaust tubes, which are located in the second chamber,
• wherein a ratio of a total area of all of the at least one second hole of the intake tube to a total area of all of the vent holes of the pair exhaust tubes is 1:2.