MagnaFlow CARB-Grade direct-fit catalytic converter (5451419) for the 2007 Chevrolet Silverado 1500 Classic and GMC Sierra 1500 Classic 4.8L. Spun-body 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, includes gaskets and hardware. 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 (spun body) |
| Hardware | Gaskets and hardware included |
| Emissions | CARB compliant (CA legal) |
Documents: Technical Bulletin (PDF)
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2007 | Chevrolet | Silverado 1500 Classic | Hybrid |
| 2007 | Chevrolet | Silverado 1500 Classic | LS |
| 2007 | Chevrolet | Silverado 1500 Classic | LT |
| 2007 | Chevrolet | Silverado 1500 Classic | WT |
| 2007 | GMC | Sierra 1500 Classic | Hybrid |
| 2007 | GMC | Sierra 1500 Classic | SL |
| 2007 | GMC | Sierra 1500 Classic | SLE |
| 2007 | GMC | Sierra 1500 Classic | SLT |
| 2007 | GMC | Sierra 1500 Classic | WT |
