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MagnaFlow has been America's leader in stainless steel performance exhaust since 1981. From the rumbly Pro Street to the OE-quiet Touring series, every MagnaFlow exhaust delivers measurable HP, an unmistakable note, and a lifetime warranty.
Ensure your heavy-duty Chevrolet Silverado or GMC Sierra (2011-2017, 2500HD/3500HD) maintains optimal emissions control and performance with the Magnaflow OEM Grade Direct-Fit Catalytic Converter (21-252). This high-quality converter is designed for a hassle-free, bolt-on installation, ensuring your truck stays compliant and runs efficiently.
This Magnaflow direct-fit catalytic converter is the perfect solution for replacing a damaged or failing unit on your Silverado or Sierra HD truck. Experience reliable performance and easy installation. Get yours from GGCRACING today!
| Years | Make | Model | Trim |
|---|---|---|---|
| 2011-2019 | Chevrolet | Silverado 2500 HD | LT |
| 2011-2019 | Chevrolet | Silverado 2500 HD | LTZ |
| 2011-2019 | Chevrolet | Silverado 2500 HD | WT |
| 2015-2019 | Chevrolet | Silverado 2500 HD | High Country |
| 2011-2019 | Chevrolet | Silverado 3500 HD | LTZ |
| 2011-2019 | Chevrolet | Silverado 3500 HD | WT |
| 2015-2019 | Chevrolet | Silverado 3500 HD | High Country |
| 2017-2019 | Chevrolet | Suburban 3500 HD | LS |
| 2017-2019 | Chevrolet | Suburban 3500 HD | LT |
| 2011-2014 | GMC | Sierra 2500 HD | WT |
| 2011-2019 | GMC | Sierra 2500 HD | Denali |
| 2011-2019 | GMC | Sierra 2500 HD | SLT |
| 2015-2019 | GMC | Sierra 2500 HD | Base |
| 2011-2014 | GMC | Sierra 3500 HD | WT |
| 2011-2019 | GMC | Sierra 3500 HD | Denali |
| 2011-2019 | GMC | Sierra 3500 HD | SLE |
| 2011-2019 | GMC | Sierra 3500 HD | SLT |
| 2015-2019 | GMC | Sierra 3500 HD | Base |
Other popular Magnaflow products customers consider together:
MagnaFlow has been America's leader in stainless steel performance exhaust since 1981. From the rumbly Pro Street to the OE-quiet Touring series, every MagnaFlow exhaust delivers measurable HP, an unmistakable note, and a lifetime warranty.
Ensure your heavy-duty Chevrolet Silverado or GMC Sierra (2011-2017, 2500HD/3500HD) maintains optimal emissions control and performance with the Magnaflow OEM Grade Direct-Fit Catalytic Converter (21-252). This high-quality converter is designed for a hassle-free, bolt-on installation, ensuring your truck stays compliant and runs efficiently.
This Magnaflow direct-fit catalytic converter is the perfect solution for replacing a damaged or failing unit on your Silverado or Sierra HD truck. Experience reliable performance and easy installation. Get yours from GGCRACING today!
| Years | Make | Model | Trim |
|---|---|---|---|
| 2011-2019 | Chevrolet | Silverado 2500 HD | LT |
| 2011-2019 | Chevrolet | Silverado 2500 HD | LTZ |
| 2011-2019 | Chevrolet | Silverado 2500 HD | WT |
| 2015-2019 | Chevrolet | Silverado 2500 HD | High Country |
| 2011-2019 | Chevrolet | Silverado 3500 HD | LTZ |
| 2011-2019 | Chevrolet | Silverado 3500 HD | WT |
| 2015-2019 | Chevrolet | Silverado 3500 HD | High Country |
| 2017-2019 | Chevrolet | Suburban 3500 HD | LS |
| 2017-2019 | Chevrolet | Suburban 3500 HD | LT |
| 2011-2014 | GMC | Sierra 2500 HD | WT |
| 2011-2019 | GMC | Sierra 2500 HD | Denali |
| 2011-2019 | GMC | Sierra 2500 HD | SLT |
| 2015-2019 | GMC | Sierra 2500 HD | Base |
| 2011-2014 | GMC | Sierra 3500 HD | WT |
| 2011-2019 | GMC | Sierra 3500 HD | Denali |
| 2011-2019 | GMC | Sierra 3500 HD | SLE |
| 2011-2019 | GMC | Sierra 3500 HD | SLT |
| 2015-2019 | GMC | Sierra 3500 HD | Base |
Other popular Magnaflow products customers consider together: