MagnaFlow California Grade universal catalytic converter (5551209) for Chevrolet Silverado 2500 HD / GMC (2011). It has a 5in inlet and outlet. Stainless steel construction with a ceramic substrate for corrosion resistance and long service life. CARB compliant (EO D-193-144); 50-state legal. Universal design — cutting and welding required to install.
| Type | Universal catalytic converter (California Grade) |
| Compliance | CARB compliant (EO D-193-144); 50-state legal |
| Material | Stainless steel, ceramic substrate |
| Inlet / Outlet | 5in / 5in |
| Connection | Pipe / weld-on (universal) |
| Quantity | 1 |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2011 | Chevrolet | Silverado 2500 HD | LT |
| 2011 | Chevrolet | Silverado 2500 HD | LTZ |
| 2011 | Chevrolet | Silverado 2500 HD | WT |
| 2011 | Chevrolet | Silverado 3500 HD | LT |
| 2011 | Chevrolet | Silverado 3500 HD | LTZ |
| 2011 | Chevrolet | Silverado 3500 HD | WT |
| 2011 | GMC | Sierra 2500 HD | Denali |
| 2011 | GMC | Sierra 2500 HD | SLE |
| 2011 | GMC | Sierra 2500 HD | SLT |
| 2011 | GMC | Sierra 2500 HD | WT |
| 2011 | GMC | Sierra 3500 HD | Denali |
| 2011 | GMC | Sierra 3500 HD | SLE |
| 2011 | GMC | Sierra 3500 HD | SLT |
| 2011 | GMC | Sierra 3500 HD | WT |
