Coastfab is now profab if you're looking for more information on the parts, however I'm unsure of what make or model this is for, but you can cut it apart and use the collector or muffler for whatever you need.
Vibrant 4-1 SS Merge Collectors (2in Inlet Slipover ID 3-1/2in Merge Outlet OD)
Vibrant 2-1 SS Merge Collectors (2in Inlet Slipover ID 2-1/2in Outlet OD) - Sold
Vibrant 2-1 SS Merge Collectors (2-1/2in Inlet Slipover ID 2-1/2in Outlet OD) -
Vibrant 10355 2-1 Ss Merge Collectors (2In Inlet Slipover Id 2-1/2In Outlet Od)
Vibrant 4-1 SS Merge Collectors (2in Inlet Slipover ID 3in Merge Outlet OD) -