Muffler valve device for vehicle

A muffler valve device of a vehicle for improving output of an engine, reducing a booming sound, and minimizing flow-induced noise, which is disposed at a wall of a plurality of walls provided at a muffler which exhaust gas inflows through an inlet pipe and outflows the inflowed exhaust gas through a tail pipe, the muffler valve device comprising:

• a chamber fixed at a surface of the wall;
• a guide rod provided in the chamber and attached at the surface of the wall;
• a fixing member attached at a first end portion of the guide rod and being mounted to an end of the chamber;
• a valve disposed slidably on the guide rod between the surface of the wall and the fixing member;
• and
• an elastic member located between the valve and the fixing member to provide an elastic force to the valve,
• wherein the fixing member is formed as a plurality of perpendicular rods extending toward outside on a center of a portion on which the guide rod is attached,
• wherein an end portion of the fixing member is formed as being bent toward the chamber and the elastic member, and
• wherein a first portion of the fixing member fixes the chamber, and a second portion thereof fixes the elastic member.