MagnaFlow GM 3500/4500 HD 6.0L 3in Universal Converter
MagnaFlow GM 3500/4500 HD 6.0L 3in Universal Converter
Description
IMPORTANT NOTICE: Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.Reference Information Reference Data (Provide these details to our support team) Brand Name/s Magnaflow, MagnaFlow Exhaust Products, MAGNAFLOW PERF EXHAUST, Magnaflow Performance StreetFX SKU mag51809 SFX Item ID 4289333 Accounting SKU mag-51809 Manufacturer SKU 51809 Manufacturer UPC 888563185941 Alternative References 51809, MFL51809, MPE-51809
OEM Grade
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51809. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single laser fusion welds greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. 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 Federal/EPA Emission systems.
Additional Information
OEM Grade Universal Catalytic Converter - 3in.
Features and Benefits
- Compact, lightweight construction enables installation in confined areas, welding is required
- Compact/Lightweight Construction Enables Installation In Confined Areas/Welding Is Required
- Durable 308 stainless steel MIG welds
- Expertly Crafted To Replicate Oem-Like Flow Dynamics/Maintaining Factory Performance And Fuel Efficiency
- Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off
- High Strength 16 Gauge 409 Stainless Steel Tubing For Exceptional Corrosion Resistance And Maximum Service Life
- Your Trusted Source For EPA-Compliant Catalytic Converters
- Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
Product Details
| Air Tube Adaptable: | No |
| Air Tube Count: | 0 |
| Body Height: | 6 |
| Body Length: | 11.5 |
| Body Material: | Stainless Steel |
| Body Shape: | Round |
| Body Type: | Spun |
| Body Width: | 6.000 in. |
| CARB Executive Order Number: | Not Applicable |
| Clamps Included: | No |
| Core Substrate Material: | Ceramic |
| Description: | OEM Grade Universal Catalytic Converter-3.00in. |
| Finish: | Stainless Steel |
| Grade Type: | Regular |
| Hangers Included: | No |
| Heat Shield Attached: | No |
| Inlet Gasket Included: | No |
| Inlet Inside Diameter: | 3.000 in. |
| Inlet Mounting Hardware Included: | No |
| Inlet Orientation: | Straight |
| Inlet Quantity: | 1 |
| Material: | Stainless Steel |
| Outlet Gasket Included: | No |
| Outlet Inside Diameter: | 3 |
| Outlet Mounting Hardware Included: | No |
| Outlet Orientation: | Straight |
| Outlet Quantity: | 1 |
| Outlet Type: | Weld-On |
| Overall Length: | 13 |
| Part Number: | mag51809 |
| Sensor Port Count: | 0 |
| Series: | OEM Grade |
| Substrate Material: | Ceramic |
| Tube Material: | Stainless Steel |
| Universal Or Specific Fit: | Universal |
Product Overview
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51809. The Universal design allows the part to fit a wide array of vehicles (cutting and welding required), and the stainless steel construction of this spun body catalytic converter is highly resistant to corrosion. The single laser fusion weld of the spun body greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. 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.
| Additional Application Notes | |
|---|---|
| • OEM Grade; 3.0 in. Tubing; Stainless Steel; Overall L-13 in.;Not Legal For Sale Or Installation In CA/CO/NY | |
These additional application notes are supplied by the manufacturer and collated from multiple year ranges. Not all of these notes may apply to every year or every variant. Please contact a StreetFX agent for clarification if required.
Data: v2 - Desc: v4.2 - Upd: 2026-10-13 19:14:42
Product Overview
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51809. The Universal design allows the part to fit a wide array of vehicles (cutting and welding required), and the stainless steel construction of this spun body catalytic converter is highly resistant to corrosion. The single laser fusion weld of the spun body greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. 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.
Features and Benefits
- Expertly Crafted To Replicate Oem-Like Flow Dynamics/Maintaining Factory Performance And Fuel Efficiency
- Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
- Compact/Lightweight Construction Enables Installation In Confined Areas/Welding Is Required
- Your Trusted Source For EPA-Compliant Catalytic Converters
- High Strength 16 Gauge 409 Stainless Steel Tubing For Exceptional Corrosion Resistance And Maximum Service Life
- Durable 308 Stainless Steel Mig Welds
- Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off
- Compact, lightweight construction enables installation in confined areas, welding is required
Product Details
| Air Tube Adaptable: | No |
|---|---|
| Air Tube Count: | 0 |
| Body Height: | 6 |
| Body Length: | 11.5 |
| Body Material: | Stainless Steel |
| Body Shape: | Round |
| Body Type: | Spun |
| Body Width: | 6.000 in. |
| CARB Executive Order Number: | Not Applicable |
| California Air Resources Board (CARB) Certified: | No |
| Clamps Included: | No |
| Core Substrate Material: | Ceramic |
| Description: | OEM Grade Universal Catalytic Converter-3.00in. |
| Finish: | Stainless Steel |
| Grade Type: | Regular |
| Hangers Included: | No |
| Heat Shield Attached: | No |
| Inlet Gasket Included: | No |
| Inlet Inside Diameter: | 3.000 in. |
| Inlet Mounting Hardware Included: | No |
| Inlet Orientation: | Straight |
| Inlet Quantity: | 1 |
| Material: | Stainless Steel |
| Outlet Gasket Included: | No |
| Outlet Inside Diameter: | 3 |
| Outlet Mounting Hardware Included: | No |
| Outlet Orientation: | Straight |
| Outlet Quantity: | 1 |
| Outlet Type: | Weld-On |
| Overall Length: | 13 |
| Part Number: | mag51809 |
| Prop 65 Y/N: | No |
| Sensor Port Count: | 0 |
| Series: | OEM Grade |
| Substrate Material: | Ceramic |
| Title: | MagnaFlow OEM Grade Federal / EPA Compliant Universal Catalytic Converter 51809 |
| Tube Material: | Stainless Steel |
| Universal Or Specific Fit: | Universal |
| WARNING CA Proposition 65: | No |
Part Type
Catalytic Converters
Features
- Compact, lightweight construction enables installation in confined areas, welding is required
- Compact/Lightweight Construction Enables Installation In Confined Areas/Welding Is Required
- Durable 308 stainless steel MIG welds
- Expertly Crafted To Replicate Oem-Like Flow Dynamics/Maintaining Factory Performance And Fuel Efficiency
- Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off
- High Strength 16 Gauge 409 Stainless Steel Tubing For Exceptional Corrosion Resistance And Maximum Service Life
- Your Trusted Source For EPA-Compliant Catalytic Converters
- Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
Specifications
Catalytic Converter; OEM Grade Universal Catalytic Converter - 3.00in. -
| Product Attributes | |
|---|---|
| Brand | MagnaFlow |
| Manufacturer's Part Number | 51809 |
| Part Type | Catalytic Converters |
| UPC | 888563185941 |
| Manufacturer Attributes | |
|---|---|
| Air Tube Count | 0 |
| Sensor Port Count | 0 |
| Inlet Quantity | 1 |
| Outlet Quantity | 1 |
| Body Length | 11.5 |
| Inlet Inside Diameter | 3 |
| Outlet Inside Diameter | 3 |
| Body Height | 6 |
| Body Width | 6 |
| Substrate Material | Ceramic |
| Clamps Included | No |
| Hangers Included | No |
| Heat Shield Attached | No |
| Inlet Gasket Included | No |
| Inlet Mounting Hardware Included | No |
| Outlet Gasket Included | No |
| Outlet Mounting Hardware Included | No |
| Air Tube Adaptable | No |
| Grade Type | Regular |
| Body Shape | Round |
| Body Type | Spun |
| Finish | Stainless Steel |
| Tube Material | Stainless Steel |
| Body Material | Stainless Steel |
| Inlet Orientation | Straight |
| Outlet Orientation | Straight |
| Universal Or Specific Fit | Universal |
| Outlet Type | Weld-On |
| Overall Length | 13 |
| CARB Executive Order Number | Not Applicable |
| Series | OEM Grade |
| Title | MagnaFlow OEM Grade Federal / EPA Compliant Universal Catalytic Converter 51809 |
| Manufacturer Designation | OEM Grade Universal Catalytic Converter - 3.00in. |
| Product Class | Catalytic Converter |
| Construction/Type | Magnaflow OEM Grade Universal Catalytic Converter - 3in. |
| Product Outline | Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life Compact, lightweight construction enables installation in confined areas, welding is required Durable 308 stainless steel MIG welds |
| Vehicle Brief | Catalytic Converter |
Product Details
| Air Tube Adaptable: | No |
|---|---|
| Air Tube Count: | 0 |
| Body Height: | 6 |
| Body Length: | 11.5 |
| Body Material: | Stainless Steel |
| Body Shape: | Round |
| Body Type: | Spun |
| Body Width: | 6.000 in. |
| CARB Executive Order Number: | Not Applicable |
| California Air Resources Board (CARB) Certified: | No |
| Clamps Included: | No |
| Core Substrate Material: | Ceramic |
| Description: | OEM Grade Universal Catalytic Converter-3.00in. |
| Finish: | Stainless Steel |
| Grade Type: | Regular |
| Hangers Included: | No |
| Heat Shield Attached: | No |
| Inlet Gasket Included: | No |
| Inlet Inside Diameter: | 3.000 in. |
| Inlet Mounting Hardware Included: | No |
| Inlet Orientation: | Straight |
| Inlet Quantity: | 1 |
| Material: | Stainless Steel |
| Outlet Gasket Included: | No |
| Outlet Inside Diameter: | 3 |
| Outlet Mounting Hardware Included: | No |
| Outlet Orientation: | Straight |
| Outlet Quantity: | 1 |
| Outlet Type: | Weld-On |
| Overall Length: | 13 |
| Part Number: | mag51809 |
| Prop 65 Y/N: | No |
| Sensor Port Count: | 0 |
| Series: | OEM Grade |
| Substrate Material: | Ceramic |
| Title: | MagnaFlow OEM Grade Federal / EPA Compliant Universal Catalytic Converter 51809 |
| Tube Material: | Stainless Steel |
| Universal Or Specific Fit: | Universal |
| WARNING CA Proposition 65: | No |
Reference Information
| Brand Name/s | Magnaflow |
|---|---|
| StreetFX SKU | mag51809 |
| SFX Item ID | 4289333 |
| Supplier Item Code | 4289333 |
| Manufacturer SKU | 51809 |
| Manufacturer UPC | 888563185941 |
| Alternative References | MFL51809, MPE-51809, 6.0L, 3in |
Compatibility
| MagnaFlow GM 3500/4500 HD 6.0L 3in Universal Converter | ||||
|---|---|---|---|---|
| Year Range | Make | Model | Submodels | Region |
| 2021-2023 | Chevrolet | Express 2500 | LS, LT, Base | US |
| 2015 | Chevrolet | Express 3500 | Base, LS, LT | US |
| 2021-2023 | Chevrolet | Express 3500 | LS, LT, Base | US |
| 2016-2019 | Chevrolet | Suburban 3500 HD | LS, LT | US |
| 2021-2023 | GMC | Savana 2500 | LT, LS, Base | US |
| 2021-2023 | GMC | Savana 3500 | LT, LS, Base | US |
Please note that this information serves as a fitment guide only. For specific fitment questions or clarifications, please contact us, as manufacturers may introduce variations and modifications during model year or regional revisions. While we strive to provide accurate data, fitment details may vary by region; therefore, compatibility outside the listed region and submodel variant cannot be guaranteed.
Detailed Compatibility
| Application Data | |
|---|---|
| Make | GMC |
| Model | SAVANA 2500 |
| Submodel | LT |
| Beginning Year | 2012 |
| Ending Year | 2020 |
| Engine Type | V8 |
| Liter | 6.6 |
| CID | 401 |
| Engine Family | Chevy small block Gen V |
| Engine Size | 6.6L/401 |
| Drivetrain | 4 X 2 |
| Engine VIN Code | 7 |
| CC | 6571 |
| Catalytic Converter Position | Left |
| Make | GMC |
| Model | SAVANA 3500 |
| Submodel | LT |
| Beginning Year | 2012 |
| Ending Year | 2020 |
| Engine Type | V8 |
| Liter | 6.0 |
| CID | 364 |
| Engine Family | Chevy small block Gen III/IV (LS-based engines) |
| Engine Size | 6.0L/364 |
| Drivetrain | 4 X 2 |
| Engine VIN Code | B |
| CC | 5967 |
| Catalytic Converter Position | Left |
| Make | GMC |
| Model | SAVANA 3500 |
| Submodel | LT |
| Beginning Year | 2012 |
| Ending Year | 2020 |
| Engine Type | V6 |
| Liter | 4.3 |
| CID | 262 |
| CC | 5967 |
| Engine Family | GM V6 |
| Engine Size | 4.3L/262 |
| Drivetrain | 4 X 2 |
| Engine VIN Code | P |
| Catalytic Converter Position | Left |
This may not be an exhaustive list of compatible vehicles. Please reach out to one of our representatives if you are unsure or do not see your vehicle here.
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