Magnaflow OEM Grade Direct-Fit Catalytic Converter
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 21-252. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow's state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. MagnaFlow 21-252 includes (2) Torca Clamps. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with California or Federal/EPA Emission systems.
- Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency
- Mandrel bent tubing retains OEM-like design and geometry, ensuring smooth exhaust flow for peak fuel economy and engine operation
- Simplifies installation with essential gaskets and hardware being included in the box
- Durable 308 stainless steel MIG welds
- Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
- High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
- OE-sized barbed exhaust hangers made from corrosion-resistant 410 stainless steel, designed to reduce noise and vibration
Information:
Not legal for sale or installation in California, Colorado or New York.
Application Summary:
| Year |
Make/Model |
| 2011-2019 |
Chevrolet Silverado 2500 HD |
| 2011-2019 |
Chevrolet Silverado 3500 HD |
| 2011-2019 |
GMC Sierra 2500 HD |
| 2011-2019 |
GMC Sierra 3500 HD |
| Attributes |
| Body Material |
Stainless Steel |
| Body Type |
Spun |
| California Air Resources Board (CARB) Certified |
No |
| California Proposition 65 |
No |
| CARB Executive Order Number |
Not Applicable, Not Applicable |
| Catalytic Converter Air Tube Adapter |
No |
| Clamps Included |
Yes, Yes |
| Core Substrate Material |
Ceramic |
| Country of Origin (Primary) |
US |
| Emission Code |
Not in CA |
| Finish |
Stainless |
| Grade Type |
Regular |
| Hangers Included |
Yes |
| Harmonized Tariff Code (Schedule B) |
8421320000 |
| Hazardous Material Code |
N |
| Heat Shield Attached |
Yes |
| Heat Shield Included |
Yes |
| Inlet Gasket Included |
No |
| Inlet Inside Diameter |
3.000 in. |
| Inlet Mounting Hardware Included |
No |
| Inlet Type |
Flange |
| Life Cycle Status Code |
Available to Order |
| Material |
Stainless Steel, Stainless Steel |
| Mounting Hardware Included |
Yes |
| NAFTA Preference Criterion Code |
B |
| New York Certified |
No |
| Outlet Gasket Included |
No, No |
| Outlet Mounting Hardware Included |
No, No |
| Outlet Outside Diameter |
N/A |
| Outlet Type |
Bolt-On, Bolt-On |
| Overall Length |
67, 67 |
| Oversize Shipping |
888563133805 |
| SDR Required Flag |
N |
| Sensor Port Count |
4, 4 |
| Series |
OEM Grade, OEM Grade |
| Substrate Material |
Ceramic, Ceramic |
| Subtitle |
Federal / EPA Compliant |
| Subtitles |
Federal / EPA Compliant |
| Tube Material |
Stainless Steel, Stainless Steel |
| Type |
Direct-Fit |
| Universal of Specific Fit |
Specific |
| Universal Or Specific Fit |
Specific, Specific |
| Warranty Time |
5 |
| GTIN |
00888563133805 |