The Original 40 series muffler delivers an aggressive exterior and interior tone. If you're looking for that original Flowmaster sound, this is the muffler for you. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
| Body Height | 4.000 in. |
| Body Length | 13.000 in. |
| Body Width | 9.500 in. |
| Inlet Connection Type | Pipe |
| Inlet Diameter | 2.500 in. |
| Inlet Inside Diameter | 2.500 in. |
| Inlet Outside Diameter | 2.500 in. |
| Inlet Position | Dual |
| Inlet Type | Dual |
| Main Piping Diameter | OEM |
| Material | Aluminized Steel |
| Muffler Series | Original 40 Series |
| Outlet Diameter | 2.500 in. |
| Outlet Outside Diameter | 2.500 in. |
| Outlet Position | Dual |
| Outlet Type | Dual Outlet |
| Overall Length | 19.000 in. |
| Shape | Oval |
| Sound Level | Aggressive |
| Tip Quantity | 0 |
| Title | Flowmaster 425404 40 Series Muffler - 2.50" IN(D)/OUT(D) - Aggressive Sound |
| WARNING CA Proposition 65 | No |
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