MagnaFlow OEM-Grade Federal/EPA-compliant direct-fit catalytic converter (51127) for the 1999-2004 Ford Mustang 3.8L. Mandrel-bent 409 stainless tubing with a single laser-fusion weld replicates the OE design for smooth flow and a leak-resistant seal, and it installs with no cutting or welding; includes two O2 port plugs. Interchanges with OE parts YR3Z-5F250-AA, YR3Z-5F250-SGL and YR3Z-5F250-SGR. Federal/EPA compliant (not for sale in California); for OBDII vehicles.
Specifications
| Type | Direct-fit catalytic converter |
| Grade | OEM Grade |
| Material | 409 stainless steel |
| Hardware | (2) O2 port plugs included |
| OEM Replacement | YR3Z-5F250-AA, YR3Z-5F250-SGL, YR3Z-5F250-SGR |
| Emissions | Federal/EPA compliant (not for CA) |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1999-2004 | Ford | Mustang | Base |
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