Generac 0K6940 420CC PowerPact Exhaust Flex Coupling. Does not come with the exhaust clamps, they must be ordered separately. Part may vary slightly from image (stock image).
Generac replacement parts will also usually fit the following Generac branded generators: Honeywell, Guardian, Siemens, Carrier, Watchdog, Centurion, & Bryant.
If you need Generac generator troubleshooting support, please visit our interactive forum