Patent ID: 8608237

Claim:
A center floor panel assembly for a vehicle including: a first center floor panel and a second center floor panel mutually engaged to form a tunnel portion of a closed section in which a center muffler unit that is provided in a vertical direction of a vehicle body is accommodated, and provided in a continuous shape along a longitudinal direction of the vehicle body; and a support member provided in the tunnel portion between the first center floor panel and the second center floor panel and enclosing the center muffler unit to support the center muffler unit against the tunnel portion; wherein the support member supports the center muffler unit between the first center floor panel and the second center floor panel so that a plurality of airflow paths are formed around the center muffler unit; wherein the tunnel portion includes a first tunnel portion formed to project upward from a plate surface of the first center floor panel and positioned to be spaced apart from an upper portion of the center muffler unit, and a second tunnel portion formed to project downward from a plate surface of the second center floor panel and positioned on a lower portion of the center muffler unit, the second tunnel portion being engaged with an outer circumference of the center muffler unit; wherein the support member is engaged with an inner surface of the tunnel portion and the outer circumference of the center muffler unit and forms the plurality of air flow paths therebetween.