We no longer offer our large 9″ diameter muffler for the 2 to 1 systems.
Here are some recommendations for mufflers that work with our 2 to 1 systems.
| Mfg. | Inlet | Outlet | Body Length | Overall Length | Diameter | Shape | Part# |
| Dyno Max | 3.5 | 3.5 | 16 | 21 | 6 | round | 17224 |
| Borla | 3.5 | 3.5 | 15 | 21 | 5 | round | 40086 |
| Dyno Max | 4 | 4 | 16 | 21 | 6 | round | 17225 |