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MagnaFlow Direct Fit Catalytic Converter 08-13 Infiniti G37 V6-3.7LGAS 2.25in Dia

SKU: MAG551143

Catalytic Converters

MAG Converter Direct Fit...

MagnaFlow Direct Fit Catalytic Converter 08-13 Infiniti G37 V6-3.7LGAS 2.25in Dia

SKU: MAG551143

Catalytic Converters

MAG Converter Direct Fit...

A$2,794.46
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

Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 551143. 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 551143 includes (1) Crush Ring Gasket, (1) Flange Gasket, (6) Flat Washers, (4) Bolts, (4) Nuts. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.

Product Overview

Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 551143. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this spun body 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 spun body 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. This direct-fit catalytic converter is designed to fit the 2008-2013 INFINITI G37, 2007-2008 INFINITI G35, and additional vehicles. The included gaskets & hardware reduce the possibility of a leaking seal while avoiding the need to reuse corroded factory parts for installation. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.


Features and Benefits

  • Expertly Crafted To Replicate OEM Like Flow Dynamics; Maintaining Factory Performance And Fuel Efficiency
  • Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
  • Simplifies Installation w/Essential Gaskets And Hardware Being Included In The Box
  • Your Trusted Source For CARB-Compliant Catalytic Converters; Providing Assurance Of Genuine Compliance
  • Mandrel Bent Tubing Retains OEM-Like Design And Geometry; Ensuring Smooth Exhaust Flow For Peak Fuel Economy Operation
  • High Strength 16 Gauge 409 Stainless Steel Tubing For Exceptional Corrosion Resistance And Maximum Service Life
  • Durable 308 Stainless Steel MIG Welds
  • Mandrel bent tubing retains OEM-like design and geometry, ensuring smooth exhaust flow for peak fuel economy and engine operation
  • Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency
  • Simplifies installation with essential gaskets and hardware being included in the box

Product Details

Air Tube Adaptable:No
Air Tube Count:0
Body Material:Stainless Steel
Body Type:Spun
Body Width:4.000 in.
CARB Executive Order Number:D-193-133
California Air Resources Board (CARB) Certified:Yes
Catalytic Converter Air Tube Adapter:Not Air Tube Kit Adaptable
Clamp Included:No
Clamps Included:No
Converter Body Size:4.000 in.
Converter Quantity:2
Core Substrate Material:Ceramic
Description:California Direct-Fit Catalytic Converter
Finish:Stainless Steel
Grade Type:Regular
Hangers Included:Yes
Heat Shield Attached:Yes
Heat Shield Included:Yes
Heat Shield Material:Aluminized Steel
Inlet Attachment Type:Bolt-On
Inlet Attachment:Bolt-On
Inlet Gasket Included:Yes
Inlet Inside Diameter:2.250 in.
Inlet Mounting Hardware Included:Yes
Inlet Type:Bolt-On
Main Piping Diameter:2.25
Material:Stainless Steel
Mounting Hardware Included:Yes
Outlet Attachment Type:Bolt-On
Outlet Attachment:Bolt-On
Outlet Gasket Included:Yes
Outlet Mounting Hardware Included:No
Outlet Outside Diameter:2.250 in.
Outlet Type:Bolt-On
Overall Length:18.875 in.
Oxygen Sensor Location:Post Converter
Part Number:mag551143
Pipe Material:Stainless Steel
Prop 65 Y/N:No
Sensor Port Count:1
Series:California
Substrate Material:Ceramic
Subtitle:CARB Compliant Direct-Fit Catalytic Converter
Subtitles:California / CARB Compliant
Title:MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 551143
Tube Material:Stainless Steel
Type:Direct-Fit
Universal Or Specific Fit:Specific
WARNING CA Proposition 65:No

Part Type

Catalytic Converters

Data: v4.2 - Upd: 2026-10-14 20:14:15

Features

  • Durable 308 stainless steel MIG welds
  • Expertly Crafted To Replicate OEM Like Flow Dynamics; Maintaining Factory Performance And Fuel Efficiency
  • Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency
  • High Strength 16 Gauge 409 Stainless Steel Tubing For Exceptional Corrosion Resistance And Maximum Service Life
  • Mandrel bent tubing retains OEM-like design and geometry, ensuring smooth exhaust flow for peak fuel economy and engine operation
  • Mandrel Bent Tubing Retains OEM-Like Design And Geometry; Ensuring Smooth Exhaust Flow For Peak Fuel Economy Operation
  • OE-sized barbed exhaust hangers made from corrosion-resistant 410 stainless steel, designed to reduce noise and vibration
  • Simplifies Installation w/Essential Gaskets And Hardware Being Included In The Box
  • Simplifies installation with essential gaskets and hardware being included in the box
  • Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
  • Your Trusted Source For CARB-Compliant Catalytic Converters; Providing Assurance Of Genuine Compliance

Specifications

Product Attributes - Brand
MagnaFlow
Product Attributes - Manufacturer's Part Number
551143
Product Attributes - Part Type
Catalytic Converters
Product Attributes - Product Line
MagnaFlow Direct-Fit Catalytic Converters
Product Attributes - UPC
888563103808
Product Attributes - Inlet Diameter (in.)
2.25 in.
Product Attributes - Converter Inlet Attachment
Stock flange
Product Attributes - Outlet Diameter (in.)
2.25 in.
Product Attributes - Converter Outlet Attachment
Stock flange
Product Attributes - Converter Case Material
Stainless steel
Product Attributes - Converter Substrate Material
Ceramic honeycomb
Product Attributes - Converter Overall Length (in.)
18.88
Product Attributes - Converter Overall Width (in.)
4.00
Product Attributes - Converter Style
3-way
Product Attributes - Remanufactured
No
Product Attributes - AIR Tube
No
Product Attributes - Heat Shield
Yes
Product Attributes - Quantity
Sold individually.
Product Attributes - CARB EO Number(s)
D-193-133
Product Attributes - Emissions
California EO Approved

Reference Information

Brand Name/s Magnaflow
StreetFX SKU mag551143
SFX Item ID 4284327
Supplier Item Code 4284327
Manufacturer SKU 551143
Manufacturer UPC 888563103808
Alternative References mpe-551143, MFL551143, G37, V6-3.7LGAS, 2.25in

Compatibility

Application Data
  • UniversalNo
    MakeINFINITI
    ModelEX35
    SubmodelBASE
    Beginning Year2010
    Ending Year2010
    Engine TypeV6
    Liter3.5
    CC3498
    Engine FamilyNissan V6
    Engine Size3.5L/3498cc
    DrivetrainAWD
    Catalytic Converter PositionLeft, Catalytic Converter
  • UniversalNo
    MakeINFINITI
    ModelEX35
    SubmodelBASE
    Beginning Year2010
    Ending Year2010
    Engine TypeV6
    Liter3.5
    CC3498
    Engine FamilyNissan V6
    Engine Size3.5L/3498cc
    DrivetrainRWD
    Catalytic Converter PositionLeft, Catalytic Converter
  • UniversalNo
    MakeINFINITI
    ModelEX35
    SubmodelJOURNEY
    Beginning Year2010
    Ending Year2010
    Engine TypeV6
    Liter3.5
    CC3498
    Engine FamilyNissan V6
    Engine Size3.5L/3498cc
    DrivetrainAWD
    Catalytic Converter PositionLeft, Catalytic Converter
  • UniversalNo
    MakeINFINITI
    ModelEX35
    SubmodelJOURNEY
    Beginning Year2010
    Ending Year2010
    Engine TypeV6
    Liter3.5
    CC3498
    Engine FamilyNissan V6
    Engine Size3.5L/3498cc
    DrivetrainRWD
    Catalytic Converter PositionLeft, Catalytic Converter
  • UniversalNo
    MakeINFINITI
    ModelEX37
    SubmodelBASE
    Beginning Year2013
    Ending Year2013
    Engine TypeV6
    Liter3.7
    CC3696
    Engine FamilyNissan V6
    Engine Size3.7L/3696cc
    DrivetrainAWD
    Catalytic Converter PositionLeft, Catalytic Converter
  • UniversalNo
    MakeINFINITI
    ModelEX37
    SubmodelBASE
    Beginning Year2013
    Ending Year2013
    Engine TypeV6
    Liter3.7
    CC3696
    Engine FamilyNissan V6
    Engine Size3.7L/3696cc
    DrivetrainRWD
    Catalytic Converter PositionLeft, Catalytic Converter
  • UniversalNo
    MakeINFINITI
    ModelEX37
    SubmodelJOURNEY
    Beginning Year2013
    Ending Year2013
    Engine TypeV6
    Liter3.7
    CC3696
    Engine FamilyNissan V6
    Engine Size3.7L/3696cc
    DrivetrainAWD
    Catalytic Converter PositionLeft, Catalytic Converter
  • UniversalNo
    MakeINFINITI
    ModelEX37
    SubmodelJOURNEY
    Beginning Year2013
    Ending Year2013
    Engine TypeV6
    Liter3.7
    CC3696
    Engine FamilyNissan V6
    Engine Size3.7L/3696cc
    DrivetrainRWD
    Catalytic Converter PositionLeft, Catalytic Converter
  • UniversalNo
    MakeINFINITI
    ModelG35
    SubmodelBASE
    Beginning Year2007
    Ending Year2007
    Engine TypeV6
    Liter3.5
    CC3498
    Engine FamilyNissan V6
    Engine Size3.5L/3498cc
    DrivetrainRWD
    Catalytic Converter PositionLeft, Catalytic Converter
    Application NotesBody Type: Sedan
  • UniversalNo
    MakeINFINITI
    ModelG35
    SubmodelBASE
    Beginning Year2007
    Ending Year2007
    Engine TypeV6
    Liter3.5
    CC3498
    Engine FamilyNissan V6
    Engine Size3.5L/3498cc
    DrivetrainRWD
    Catalytic Converter PositionLeft, Catalytic Converter
    Application NotesBody Type: Sedan
  • UniversalNo
    MakeINFINITI
    ModelG35
    SubmodelBASE
    Beginning Year2008
    Ending Year2008
    Engine TypeV6
    Liter3.5
    CC3498
    Engine FamilyNissan V6
    Engine Size3.5L/3498cc
    DrivetrainRWD
    Catalytic Converter PositionLeft, Catalytic Converter
  • UniversalNo
    MakeINFINITI
    ModelG35
    SubmodelJOURNEY
    Beginning Year2007
    Ending Year2007
    Engine TypeV6
    Liter3.5
    CC3498
    Engine FamilyNissan V6
    Engine Size3.5L/3498cc
    DrivetrainRWD
    Catalytic Converter PositionLeft, Catalytic Converter
    Application NotesBody Type: Sedan
  • UniversalNo
    MakeINFINITI
    ModelG35
    SubmodelJOURNEY
    Beginning Year2008
    Ending Year2008
    Engine TypeV6
    Liter3.5
    CC3498
    Engine FamilyNissan V6
    Engine Size3.5L/3498cc
    DrivetrainRWD
    Catalytic Converter PositionLeft, Catalytic Converter
  • UniversalNo
    MakeINFINITI
    ModelG35
    SubmodelSPORT
    Beginning Year2007
    Ending Year2007
    Engine TypeV6
    Liter3.5
    CC3498
    Engine FamilyNissan V6
    Engine Size3.5L/3498cc
    DrivetrainRWD
    Catalytic Converter PositionLeft, Catalytic Converter
    Application NotesBody Type: Sedan
  • UniversalNo
    MakeINFINITI
    ModelG35
    SubmodelSPORT
    Beginning Year2008
    Ending Year2008
    Engine TypeV6
    Liter3.5
    CC3498
    Engine FamilyNissan V6
    Engine Size3.5L/3498cc
    DrivetrainRWD
    Catalytic Converter PositionLeft, Catalytic Converter
  • UniversalNo
    MakeINFINITI
    ModelG35
    SubmodelX
    Beginning Year2007
    Ending Year2007
    Engine TypeV6
    Liter3.5
    CC3498
    Engine FamilyNissan V6
    Engine Size3.5L/3498cc
    DrivetrainAWD
    Catalytic Converter PositionLeft, Catalytic Converter
    Application NotesBody Type: Sedan
  • UniversalNo
    MakeINFINITI
    ModelG35
    SubmodelX
    Beginning Year2008
    Ending Year2008
    Engine TypeV6
    Liter3.5
    CC3498
    Engine FamilyNissan V6
    Engine Size3.5L/3498cc
    DrivetrainAWD
    Catalytic Converter PositionLeft, Catalytic Converter
  • UniversalNo
    MakeINFINITI
    ModelG37
    SubmodelBASE
    Beginning Year2008
    Ending Year2008
    Engine TypeV6
    Liter3.7
    CC3696
    Engine FamilyNissan V6
    Engine Size3.7L/3696cc
    DrivetrainRWD
    Catalytic Converter PositionLeft, Catalytic Converter
  • UniversalNo
    MakeINFINITI
    ModelG37
    SubmodelBASE
    Beginning Year2009
    Ending Year2010
    Engine TypeV6
    Liter3.7
    CC3696
    Engine FamilyNissan V6
    Engine Size3.7L/3696cc
    DrivetrainRWD
    Catalytic Converter PositionLeft, Catalytic Converter
    Application NotesBody Type: Sedan
  • UniversalNo
    MakeINFINITI
    ModelG37
    SubmodelBASE
    Beginning Year2009
    Ending Year2012
    Engine TypeV6
    Liter3.7
    CC3696
    Engine FamilyNissan V6
    Engine Size3.7L/3696cc
    DrivetrainRWD
    Catalytic Converter PositionLeft, Catalytic Converter
    Application NotesBody Type: Coupe
  • UniversalNo
    MakeINFINITI
    ModelG37
    SubmodelIPL
    Beginning Year2011
    Ending Year2013
    Engine TypeV6
    Liter3.7
    CC3696
    Engine FamilyNissan V6
    Engine Size3.7L/3696cc
    DrivetrainRWD
    Catalytic Converter PositionLeft, Catalytic Converter
    Application NotesBody Type: Coupe
  • UniversalNo
    MakeINFINITI
    ModelG37
    SubmodelJOURNEY
    Beginning Year2008
    Ending Year2008
    Engine TypeV6
    Liter3.7
    CC3696
    Engine FamilyNissan V6
    Engine Size3.7L/3696cc
    DrivetrainRWD
    Catalytic Converter PositionLeft, Catalytic Converter
  • UniversalNo
    MakeINFINITI
    ModelG37
    SubmodelJOURNEY
    Beginning Year2009
    Ending Year2013
    Engine TypeV6
    Liter3.7
    CC3696
    Engine FamilyNissan V6
    Engine Size3.7L/3696cc
    DrivetrainRWD
    Catalytic Converter PositionLeft, Catalytic Converter
    Application NotesBody Type: Coupe
  • UniversalNo
    MakeINFINITI
    ModelG37
    SubmodelJOURNEY
    Beginning Year2009
    Ending Year2013
    Engine TypeV6
    Liter3.7
    CC3696
    Engine FamilyNissan V6
    Engine Size3.7L/3696cc
    DrivetrainRWD
    Catalytic Converter PositionLeft, Catalytic Converter
    Application NotesBody Type: Sedan
  • UniversalNo
    MakeINFINITI
    ModelG37
    SubmodelSPORT
    Beginning Year2008
    Ending Year2008
    Engine TypeV6
    Liter3.7
    CC3696
    Engine FamilyNissan V6
    Engine Size3.7L/3696cc
    DrivetrainRWD
    Catalytic Converter PositionLeft, Catalytic Converter

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