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MagnaFlow Direct Fit Catalytic Converter 08-09 Subaru Outback H4 2.5

SKU: MAG21-275

Catalytic Converters

MAG Converter Direct Fit...

MagnaFlow Direct Fit Catalytic Converter 08-09 Subaru Outback H4 2.5

SKU: MAG21-275

Catalytic Converters

MAG Converter Direct Fit...

A$888.71
Limited Availability from MFR Limited stock available from the manufacturer's distribution centre. The dispatch timeframe shown is an estimate based on historical orders of this part. This item is not held in our own warehouse, and availability and release timing may vary depending on manufacturer stock movements and processing at the time of ordering.
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Description

Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 21-275. 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. This Direct-Fit Catalytic Converter is designed to fit the 2009 Subaru Legacy 2.5L & 2008-2009 Subaru Outback 2.5L. MagnaFlow 21-275 includes (1) Flange Gasket, (1) Donut Gasket, (2) Bolts, (2) Nuts and interchanges with OE parts 44611AA330. 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.

Product Overview

MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 21-275 helps keep the check engine light off. DIY installation is easy with the proper tools (no cutting or welding required). With features including mandrel-bent tubing to eliminate flow restrictions and stainless steel construction to resist corrosion, you can have confidence in the quality of this catalytic converter. Using state-of-the-art 3D scanning systems in the design process, the MagnaFlow metrology department ensures this new part to fit and function like the original equipment. Designed to fit the 2008-2009 Subaru Outback and 2009 Subaru Legacy, this direct-fit catalytic converter also interchanges with OE part 44611AA330. 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 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
  • Simplifies Installation With Essential Gaskets And Hardware Being Included In The Box
  • Your Trusted Source For EPA-Compliant Catalytic Converters
  • Mandrel Bent Tubing Retains Oem-Like Design And Geometry
  • 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

Product Details

Air Tube Adaptable:No
Air Tube Count:0
Body Height:3.5
Body Length:7.75
Body Material:Stainless Steel
Body Shape:Oval
Body Type:Clam-Shell
Body Width:6.375 in.
CARB Executive Order Number:Not Applicable
California Air Resources Board (CARB) Certified:No
Catalytic Converter Air Tube Adapter:No
Clamp Included:No
Clamps Included:No
Converter Quantity:1
Core Substrate Material:Ceramic
Description:OEM Grade Direct-Fit Catalytic Converter
Finish:Stainless Steel
Gasket Included:Yes
Grade Type:Regular
Hangers Included:No
Heat Shield Attached:No
Heat Shield Material:None
Inlet Attachment:Bolt-On
Inlet Diameter:2.5
Inlet Gasket Included:Yes
Inlet Inside Diameter:2.500 in.
Inlet Mounting Hardware Included:Yes
Inlet Quantity:1
Inlet Type:Bolt-On
Main Piping Diameter:2.5
Material:Stainless Steel
Mounting Hardware Included:Yes
Outlet Attachment:Bolt-On
Outlet Diameter:2.5
Outlet Gasket Included:Yes
Outlet Inside Diameter:2.5
Outlet Mounting Hardware Included:No
Outlet Outside Diameter:2.500 in.
Outlet Quantity:1
Outlet Type:Bolt-On
Overall Length:34.5
Oxygen Sensor Location:None
Part Number:mag21-275
Pipe Material:Stainless Steel
Prop 65 Y/N:No
Sensor Port Count:0
Series:OEM Grade
Substrate Material:Ceramic
Substrate:Ceramic
Subtitle:Federal / EPA Compliant Direct-Fit Catalytic Converter
Title:MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter 21-275
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: 2026-10-13 22:22:41

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
  • Mandrel bent tubing retains OEM-like design and geometry, ensuring smooth exhaust flow for peak fuel economy and engine operation
  • OE-sized barbed exhaust hangers made from corrosion-resistant 410 stainless steel, designed to reduce noise and vibration
  • Simplifies Installation With Essential Gaskets And Hardware Being Included In The Box
  • 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

Product Attributes - Brand
MagnaFlow
Product Attributes - Manufacturer's Part Number
21-275
Product Attributes - Part Type
Catalytic Converters
Product Attributes - Product Line
MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converters
Product Attributes - UPC
888563148571
Product Attributes - Inlet Quantity
1
Product Attributes - Inlet Diameter (in.)
2.50 in.
Product Attributes - Converter Inlet Attachment
Stock flange
Product Attributes - Outlet Quantity
1
Product Attributes - Outlet Diameter (in.)
2.50 in.
Product Attributes - Converter Outlet Attachment
Stock flange
Product Attributes - Converter Case Material
Stainless steel
Product Attributes - Converter Substrate Material
Ceramic substrate
Product Attributes - Converter Overall Length (in.)
34.50
Product Attributes - Converter Style
3-way
Product Attributes - Remanufactured
No
Product Attributes - AIR Tube
No
Product Attributes - Heat Shield
No
Product Attributes - Quantity
Sold individually.

Reference Information

Brand Name/s Magnaflow
StreetFX SKU mag21-275
SFX Item ID 4289141
Supplier Item Code 4289141
Manufacturer SKU 21-275
Manufacturer UPC 888563148571
Alternative References mpe-21-275, MFL21-275

Compatibility

Application Data
  • UniversalNo
    MakeSUBARU
    ModelLEGACY
    SubmodelGT LIMITED
    Beginning Year2009
    Ending Year2009
    Engine TypeH4
    Liter2.5
    CC2458
    Engine FamilySubaru 4-cylinder
    Engine Size2.5L/2458cc
    DrivetrainAWD
    Catalytic Converter PositionRear, Catalytic Converter
    Application NotesAspiration: Turbocharged, Transmission Control Type: Automatic
  • UniversalNo
    MakeSUBARU
    ModelOUTBACK
    SubmodelXT LIMITED
    Beginning Year2008
    Ending Year2009
    Engine TypeH4
    Liter2.5
    CC2458
    Engine FamilySubaru 4-cylinder
    Engine Size2.5L/2458cc
    DrivetrainAWD
    Catalytic Converter PositionRear, Catalytic Converter
    Application NotesAspiration: Turbocharged, Transmission Control Type: Automatic

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