MagnaFlow OEM-Grade Federal/EPA-compliant direct-fit catalytic converter (280176) for the 2017-2023 Cadillac XT5 3.6L and 2017-2023 GMC Acadia. This is the rear underbody converter. Spun-body, mandrel-bent 409 stainless tubing 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. Meets Federal/EPA emissions standards for OBDII vehicles (not for California-only emissions vehicles).
| Type | Direct-fit catalytic converter |
| Grade | OEM Grade |
| Material | 409 stainless steel |
| Position | Rear underbody |
| Hardware | Gaskets and hardware included |
| OEM Replacement | 84131555, 23386841 |
| Emissions | Federal/EPA compliant (not for CA) |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2017-2019 | Cadillac | XT5 | Base |
| 2017-2019 | Cadillac | XT5 | Luxury |
| 2017-2019 | Cadillac | XT5 | Platinum |
| 2017-2023 | Cadillac | XT5 | Premium Luxury |
| 2020-2023 | Cadillac | XT5 | Sport |
| 2020-2023 | Cadillac | XT6 | Premium Luxury |
| 2020-2023 | Cadillac | XT6 | Sport |
| 2019 | Chevrolet | Blazer | Base |
| 2020-2023 | Chevrolet | Blazer | LT |
| 2019-2023 | Chevrolet | Blazer | Premier |
| 2019-2023 | Chevrolet | Blazer | RS |
| 2020-2023 | GMC | Acadia | AT4 |
| 2017-2023 | GMC | Acadia | Denali |
| 2017-2021,2023 | GMC | Acadia | SLE |
| 2017-2023 | GMC | Acadia | SLT |
