MagnaFlow CARB-Grade California-compliant direct-fit catalytic converter (5451678) for the 2007-2011 Ford Ranger and 2007-2009 Mazda B4000 4.0L. Spun-body 409 stainless construction with mandrel-bent tubing and a single laser-fusion weld replicates the OE design for smooth flow and a leak-resistant seal; installs with no cutting or welding, and includes the gaskets and hardware needed to avoid reusing corroded factory parts. Meets CARB requirements for legal use in California and CARB states for the listed vehicles.
| Type | Direct-fit catalytic converter |
| Grade | California Grade (CARB compliant) |
| Material | 409 stainless steel, spun body |
| Hardware | Gaskets and mounting hardware included |
| OEM Replacement | 1FAD-20-50X, 1FAD-20-50XA, 1FAD-20-50XB, 1FBC-20-50X |
| Emissions | Legal in California and CARB states |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2007-2009 | Ford | Ranger | FX4 |
| 2007-2011 | Ford | Ranger | Sport |
| 2007 | Ford | Ranger | STX |
| 2007-2011 | Ford | Ranger | XL |
| 2007-2011 | Ford | Ranger | XLT |
| 2007-2009 | Mazda | B4000 | Base |
| 2007-2008 | Mazda | B4000 | SE |
