MagnaFlow CARB-grade California-compliant direct-fit catalytic converter (4551419) for the 2003-2005 Chevrolet Silverado 1500 and Tahoe underbody position (plus additional GM trucks and SUVs including Avalanche 1500 Suburban 1500 GMC Sierra 1500 Yukon and Cadillac Escalade listed below). The spun-body 409 stainless construction with a single laser-fusion weld replicates the OE design for smooth flow and a leak-resistant seal and installs with no cutting or welding. Includes gaskets and hardware. CARB EO compliant for legal use in California and CARB states.
| Type | Direct-fit catalytic converter |
| Grade | CARB Grade (California) |
| Material | 409 stainless steel (spun body) |
| Hardware | Includes gaskets and hardware |
| Position | Underbody |
| Emissions | CARB EO compliant (CA legal) |
Documents: Technical Bulletin (PDF)
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2003,2005 | Cadillac | Escalade | Base |
| 2003,2005 | Chevrolet | Avalanche 1500 | Base |
| 2005 | Chevrolet | Avalanche 1500 | LS |
| 2005 | Chevrolet | Avalanche 1500 | LT |
| 2003 | Chevrolet | Avalanche 1500 | North Face |
| 2003 | Chevrolet | Avalanche 1500 | On Road Edition |
| 2003 | Chevrolet | Avalanche 1500 | WBH |
| 2005 | Chevrolet | Avalanche 1500 | Z66 |
| 2003,2005 | Chevrolet | Avalanche 1500 | Z71 |
| 2003-2005 | Chevrolet | Silverado 1500 | Base |
| 2005 | Chevrolet | Silverado 1500 | Hybrid |
| 2003-2005 | Chevrolet | Silverado 1500 | LS |
| 2003-2005 | Chevrolet | Silverado 1500 | LT |
| 2003-2005 | Chevrolet | Silverado 1500 | WT |
| 2004-2005 | Chevrolet | Silverado 1500 | Z71 Off-Road |
| 2003,2005 | Chevrolet | Suburban 1500 | LS |
| 2003,2005 | Chevrolet | Suburban 1500 | LT |
| 2003,2005 | Chevrolet | Suburban 1500 | Z71 |
| 2003-2005 | Chevrolet | Tahoe | LS |
| 2003-2005 | Chevrolet | Tahoe | LT |
| 2003-2005 | Chevrolet | Tahoe | Z71 |
| 2003-2005 | GMC | Sierra 1500 | Base |
| 2005 | GMC | Sierra 1500 | Hybrid |
| 2003 | GMC | Sierra 1500 | SL |
| 2003-2005 | GMC | Sierra 1500 | SLE |
| 2003-2005 | GMC | Sierra 1500 | SLT |
| 2003-2005 | GMC | Sierra 1500 | WT |
| 2003-2005 | GMC | Yukon | SLE |
| 2003-2005 | GMC | Yukon | SLT |
| 2003,2005 | GMC | Yukon XL 1500 | SLE |
| 2003,2005 | GMC | Yukon XL 1500 | SLT |
