The HKS muffler gasket is a replacement exhaust sealing gasket intended to create a reliable joint at muffler connections. It lists an inner diameter of 60.8mm and an outer diameter of 68.8mm, sized to match corresponding pipe or muffler flanges. Use it when removing or installing mufflers to restore a proper exhaust seal and help prevent leaks at the connection.
HKS Muffler Gasket 60.8mm ID 68.8mm OD