MagnaFlow OEM-Grade Federal/EPA-compliant rear direct-fit catalytic converter (51221) for the 2005-2007 Ford F-250 and F-350 Super Duty (also F-450 and F-550 Super Duty). 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 using the included gaskets. Federal/EPA compliant (not for sale in California); for OBDII vehicles.
| Type | Direct-fit catalytic converter |
| Grade | OEM Grade |
| Material | 409 stainless steel |
| Position | Rear |
| Hardware | Gaskets included |
| Emissions | Federal/EPA compliant (not for CA) |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2005 | Ford | F-250 Super Duty | Harley-Davidson Edition |
| 2005-2007 | Ford | F-250 Super Duty | King Ranch |
| 2005-2007 | Ford | F-250 Super Duty | Lariat |
| 2005-2007 | Ford | F-250 Super Duty | XL |
| 2005-2007 | Ford | F-250 Super Duty | XLT |
| 2005 | Ford | F-350 Super Duty | Harley-Davidson Edition |
| 2005-2007 | Ford | F-350 Super Duty | King Ranch |
| 2005-2007 | Ford | F-350 Super Duty | Lariat |
| 2005-2007 | Ford | F-350 Super Duty | XL |
| 2005-2007 | Ford | F-350 Super Duty | XLT |
| 2005-2007 | Ford | F-450 Super Duty | Lariat |
| 2005-2007 | Ford | F-450 Super Duty | XL |
| 2005-2007 | Ford | F-450 Super Duty | XLT |
| 2005-2007 | Ford | F-550 Super Duty | Lariat |
| 2005-2007 | Ford | F-550 Super Duty | XL |
| 2005-2007 | Ford | F-550 Super Duty | XLT |
