Variable exhaust valve assembly for vehicle

A variable exhaust valve assembly for a vehicle, comprising:

• an exhaust housing through which exhaust gas flows;
• a power transmission device disposed apart from the exhaust housing and configured to transmit rotational power;
• a shaft configured to receive the rotational power from the power transmission device, extending through and across the exhaust housing, and coupled with a valve provided inside the exhaust housing so as to open and close the exhaust housing according to a rotational position thereof;
• and
• a heat shielding unit mounted on the shaft between the power transmission device and the exhaust housing and configured to block heat transfer so as to reduce heat transfer between the power transmission device and the exhaust housing.