The Super 40 features Flowmaster's Delta Flow technology. It's larger case profile provides the best of both worlds of performance and sound. The Super 40 has that deep powerful sound of the Original 40 series but with all the benefits of performance and low interior resonance from the Delta Flow technology. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability.
| Automotive Item Grade | High Performance |
| Body Height | 5.000 in. |
| Body Length | 13.500 in. |
| Body Width | 10.000 in. |
| California Proposition 65 Chemical Name 1 | Nickel (metallic) |
| California Proposition 65 Chemical Name 2 | Chromium (hexavalent compounds) |
| Color | Black |
| Fitment | Universal |
| 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 | 2.500 in. |
| Material | Stainless Steel |
| Mount Type | Uses New Hangers (Not Included) |
| Muffler Series | Super 40 Series |
| Muffler Type | Reflection |
| Outlet Connection Type | Pipe |
| Outlet Diameter | 2.500 in. |
| Outlet Outside Diameter | 2.500 in. |
| Outlet Position | Dual |
| Outlet Type | Dual Outlet |
| Overall Length | 19.500 in. |
| Shape | Oval |
| Sound Level | Aggressive |
| Tip Quantity | 0 |
| Title | Flowmaster 8525454 Super 40 Muffler 409S - 2.50 Dual In / 2.50 Dual Out - Aggressive Sound |
| WARNING CA Proposition 65 | Yes |
| WARNING CA Proposition 65 Message | WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov |
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