MagnaFlow CARB-Grade California-compliant direct-fit catalytic converter (5451217) for the 2004-2005 Chevrolet TrailBlazer, GMC Envoy, Buick Rainier and Isuzu Ascender 4.2L. 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 gaskets to ensure a proper seal. 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 included |
| Emissions | Legal in California and CARB states |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2004-2005 | Buick | Rainier | CXL |
| 2004-2005 | Buick | Rainier | CXL Plus |
| 2004-2005 | Chevrolet | Trailblazer | LS |
| 2004-2005 | Chevrolet | Trailblazer | LT |
| 2004 | Chevrolet | Trailblazer | North Face |
| 2004-2005 | GMC | Envoy | SLE |
| 2004-2005 | GMC | Envoy | SLT |
| 2004-2005 | Isuzu | Ascender | LS |
| 2004-2005 | Isuzu | Ascender | S |
| 2004 | Oldsmobile | Bravada | Base |
