MagnaFlow OEM Grade universal catalytic converter (51809) for Chevrolet Express 3500 / GMC (2015-2023). It has a 3in inlet and outlet. Stainless steel construction with a ceramic substrate for corrosion resistance and long service life. Federal/EPA compliant (not CARB; not legal in CA, CO or NY). Universal design — cutting and welding required to install.
| Type | Universal catalytic converter (OEM Grade) |
| Compliance | Federal/EPA compliant (not CARB; not legal in CA, CO or NY) |
| Material | Stainless steel, ceramic substrate |
| Inlet / Outlet | 3in / 3in |
| Connection | Pipe / weld-on (universal) |
| Quantity | 1 |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2021-2023 | Chevrolet | Express 2500 | Base |
| 2021-2023 | Chevrolet | Express 2500 | LS |
| 2021-2023 | Chevrolet | Express 2500 | LT |
| 2015,2021-2023 | Chevrolet | Express 3500 | Base |
| 2015,2021-2023 | Chevrolet | Express 3500 | LS |
| 2015,2021-2023 | Chevrolet | Express 3500 | LT |
| 2016-2019 | Chevrolet | Suburban 3500 HD | LS |
| 2016-2019 | Chevrolet | Suburban 3500 HD | LT |
| 2021-2023 | GMC | Savana 2500 | Base |
| 2021-2023 | GMC | Savana 2500 | LS |
| 2021-2023 | GMC | Savana 2500 | LT |
| 2021-2023 | GMC | Savana 3500 | Base |
| 2021-2023 | GMC | Savana 3500 | LS |
| 2021-2023 | GMC | Savana 3500 | LT |
