MagnaFlow CARB-Grade direct-fit catalytic converter (5451677) for the 2007-2011 Ford Ranger and 2007-2009 Mazda B4000 4.0L. Mandrel-bent 409 stainless tubing with a single laser-fusion weld replicates the OE design for smooth flow and a leak-resistant seal; installs with no cutting or welding, gaskets and hardware included. Meets California Air Resources Board requirements — legal in California and CARB-restricted states.
| Type | Direct-fit catalytic converter |
| Grade | CARB Grade |
| Material | 409 stainless steel |
| Hardware | Gaskets and hardware included |
| OEM Replacement | 1FED-20-55X |
| Emissions | CARB compliant (CA legal) |
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 |
