MagnaFlow CARB-grade (4451217) direct-fit catalytic converter for the 2002-2003 Chevrolet Trailblazer 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; it installs with the proper tools — no cutting or welding required. CARB compliant for legal use in California and CARB states.
| Type | Direct-fit catalytic converter |
| Grade | California CARB-compliant |
| Material | 409 stainless steel (spun body) |
| Emissions | CARB compliant (CA legal) |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2002-2003 | Chevrolet | Trailblazer | LS |
| 2002-2003 | Chevrolet | Trailblazer | LT |
| 2002-2003 | Chevrolet | Trailblazer | LTZ |
| 2002-2003 | Chevrolet | Trailblazer | North Face |
| 2003 | Chevrolet | Trailblazer EXT | LS |
| 2002-2003 | Chevrolet | Trailblazer EXT | LT |
| 2002-2003 | Chevrolet | Trailblazer EXT | North Face |
| 2002-2003 | GMC | Envoy | SLE |
| 2002-2003 | GMC | Envoy | SLT |
| 2002-2003 | Oldsmobile | Bravada | Base |
