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MagnaFlow GM 3500/4500 HD 6.0L 3in Universal Converter

SKU: MAG51809

Catalytic Converters

MAG Universal Converter...

MagnaFlow GM 3500/4500 HD 6.0L 3in Universal Converter

SKU: MAG51809

Catalytic Converters

MAG Universal Converter...

A$2,322.44
Available from MFR. This item is available from the manufacturer's distribution centre. The dispatch timeframe shown is an estimate based on historical order processing and release times for this part. This item is not held in our own warehouse, and actual dispatch timing may vary depending on manufacturer workload and logistics at the time of ordering.
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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

Data: v4.2 - Upd: 2026-10-13 19:14:42

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
BrandMagnaFlow
Manufacturer's Part Number51809
Part TypeCatalytic Converters
UPC888563185941

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 RangeMakeModelSubmodelsRegion
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
MakeGMC
ModelSAVANA 2500
SubmodelLT
Beginning Year2012
Ending Year2020
Engine TypeV8
Liter6.6
CID401
Engine FamilyChevy small block Gen V
Engine Size6.6L/401
Drivetrain4 X 2
Engine VIN Code7
CC6571
Catalytic Converter PositionLeft
MakeGMC
ModelSAVANA 3500
SubmodelLT
Beginning Year2012
Ending Year2020
Engine TypeV8
Liter6.0
CID364
Engine FamilyChevy small block Gen III/IV (LS-based engines)
Engine Size6.0L/364
Drivetrain4 X 2
Engine VIN CodeB
CC5967
Catalytic Converter PositionLeft
MakeGMC
ModelSAVANA 3500
SubmodelLT
Beginning Year2012
Ending Year2020
Engine TypeV6
Liter4.3
CID262
CC5967
Engine FamilyGM V6
Engine Size4.3L/262
Drivetrain4 X 2
Engine VIN CodeP
Catalytic Converter PositionLeft

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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