MagnaFlow OEM-Grade Federal/EPA-compliant direct-fit underbody catalytic converter (21-758) for the 2005-2006 Buick Terraza 3.5L V6, also fits the Chevrolet Uplander, Pontiac Montana and Saturn Relay. 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 the proper tools, no cutting or welding required. Includes gaskets and hardware. Meets Federal/EPA emissions standards for OBDII vehicles (not for sale in California).
| Type | Direct-fit catalytic converter (underbody) |
| Grade | OEM Grade |
| Material | 409 stainless steel (spun body) |
| Hardware | Gaskets and hardware included |
| OEM Replacement | 15180206 |
| Position | Underbody |
| Emissions | Federal/EPA compliant (not for CA) |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2005-2006 | Buick | Terraza | CX |
| 2005-2006 | Buick | Terraza | CXL |
| 2005-2006 | Chevrolet | Uplander | LT |
| 2005-2006 | Pontiac | Montana | SV6 |
| 2005-2006 | Saturn | Relay | 3 |
