This two chamber design incorporates Flowmaster's patented Delta Flow technology. The Delta deflectors generate increased scavenging for better performance and reduced interior sound. Milder exterior tone and reduced interior resonance over Original 40 series. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
| Automotive Item Grade | High Performance |
| Body Height | 4.000 in. |
| Body Length | 13.000 in. |
| Body Width | 9.750 in. |
| Color | Black |
| Fitment | Universal |
| Inlet Connection Type | Pipe |
| Inlet Diameter | 3.000 in. |
| Inlet Inside Diameter | 3.000 in. |
| Inlet Outside Diameter | 3.000 in. |
| Inlet Position | Center |
| Inlet Type | Single Center |
| Main Piping Diameter | 3.000 in. |
| Material | Aluminized Steel |
| Mount Type | Uses New Hangers (Not Included) |
| Muffler Series | 40 Series Delta Flow |
| Muffler Type | Reflection |
| Outlet Connection Type | Pipe |
| Outlet Diameter | 3.000 in. |
| Outlet Outside Diameter | 3.000 in. |
| Outlet Position | Offset |
| Outlet Type | Single Offset Outlet |
| Overall Length | 19.000 in. |
| Shape | Oval |
| Sound Level | Aggressive |
| Tip Quantity | 0 |
| Title | Flowmaster 943042 40 Delta Flow Muffler - 3.00 Center In / 3.00 Offset Out - Aggressive Sound |
| WARNING CA Proposition 65 | No |
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