MagnaFlow CARB-Grade California-compliant direct-fit catalytic converter (5551221) for the 2006-2007 Chevrolet Trailblazer 4.2L and 2006-2007 GMC Envoy 4.2L, plus Buick Rainier and Isuzu Ascender applications. Spun-body 16-gauge 409 stainless construction with 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 and hardware. OE-sized 410 stainless barbed exhaust hangers reduce noise and vibration. CARB EO compliant for legal use in California and CARB states for the listed vehicles.
| Type | Direct-fit catalytic converter (spun body) |
| Grade | CARB (California Grade) |
| Material | 16-gauge 409 stainless steel |
| Hardware | Gaskets and hardware included |
| Emissions | CARB compliant (CA legal) |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2006-2007 | Buick | Rainier | CXL |
| 2006-2007 | Chevrolet | Trailblazer | LS |
| 2006-2007 | Chevrolet | Trailblazer | LT |
| 2006-2007 | GMC | Envoy | SLE |
| 2006-2007 | GMC | Envoy | SLT |
| 2006 | Isuzu | Ascender | Base |
| 2006 | Isuzu | Ascender | LS |
| 2007 | Isuzu | Ascender | S |
