3, 2.5, or 2.25 in
Center Inlet/Center Outlet, Offset Inlet/Offset Outlet, or Offset Inlet/Center Outlet
 
Call for availability. 
 
3 in. center/center: H-6001
3 in. offset/offset: H-6002
2.5 in. offset/offset: H-6003
2.25in. offset/offset: H-6004
3 in. offset/center: H-6005
2.5 in. offset/center: H-6006
2.25 in. offset/center: H-6007