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MagnaFlow 09-16 BMW Z4 L6 3.0L OEM Grade / EPA Compliant Direct-Fit Catalytic Converter

SKU: MAG21-171

Catalytic Converters

MAG Converter Direct Fit...

MagnaFlow 09-16 BMW Z4 L6 3.0L OEM Grade / EPA Compliant Direct-Fit Catalytic Converter

SKU: MAG21-171

Catalytic Converters

MAG Converter Direct Fit...

A$1,235.37
Last Available from MFR. LAST ONE AVAILABLE from the manufacturer's distribution centre. Once sold, this item may not be immediately available again. The dispatch timeframe shown is an estimate based on historical orders for this part and is dependent on the manufacturer releasing the final available unit.
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Description

Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 21-171. 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 2009-2016 BMW Z4 3.0L. MagnaFlow 21-171 includes (1) Flange Gasket, (1) Torca Clamp and interchanges with OE parts 18 30 7 597 137, 18 30 7 647 049. 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

Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 21-171. 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 specifically for the 2009-2016 BMW Z4 and interchanges with OE parts 18 30 7 647 049 and 18 30 7 597 137. 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
  • Torca AccuSeal® Exhaust Clamps provide a full 360-degree equally distributed clamping force preventing pipe distortion while creating a complete seal and maintaining serviceability
  • 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
  • Torca Accuseal Exhaust Clamps Provide A Full 360-Degree Equally Distributed Clamping Force
  • High Strength 16 Gauge 409 Stainless Steel Tubing For Exceptional Corrosion Resistance And Maximum Service Life
  • 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
  • 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 Material:Stainless Steel
Body Type:Spun
CARB Executive Order Number:Not Applicable
California Air Resources Board (CARB) Certified:No
Catalytic Converter Air Tube Adapter:No
Clamp Included:Yes
Clamps Included:Yes
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 Gasket Included:Yes
Inlet Mounting Hardware Included:No
Inlet Type:Bolt-On
Main Piping Diameter:2.5
Material:Stainless Steel
Mounting Hardware Included:Yes
Outlet Attachment:Clamp-On
Outlet Gasket Included:No
Outlet Mounting Hardware Included:Yes
Outlet Outside Diameter:N/A
Outlet Type:Clamp-On
Overall Length:42.25
Oxygen Sensor Location:None
Part Number:mag21-171
Pipe Material:Stainless Steel
Prop 65 Y/N:No
Sensor Port Count:0
Series:OEM Grade
Substrate Material:Ceramic
Subtitle:Federal / EPA Compliant Direct-Fit Catalytic Converter
Title:MagnaFlow 2009-2016 BMW Z4 OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter
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 22:22:37

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
  • Torca Accuseal Exhaust Clamps Provide A Full 360-Degree Equally Distributed Clamping Force
  • 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
21-171
Product Attributes - Part Type
Catalytic Converters
Product Attributes - Product Line
MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converters
Product Attributes - UPC
888563144252
Product Attributes - Inlet Quantity
1
Product Attributes - Converter Inlet Attachment
Stock flange
Product Attributes - Outlet Quantity
1
Product Attributes - Converter Outlet Attachment
Slip fit
Product Attributes - Converter Case Material
Stainless steel
Product Attributes - Converter Substrate Material
Ceramic substrate
Product Attributes - Converter Overall Length (in.)
42.75
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 mag21-171
SFX Item ID 4289294
Supplier Item Code 4289294
Manufacturer SKU 21-171
Manufacturer UPC 888563144252
Alternative References mpe-21-171, MFL21-171, 3.0L

Compatibility

Application Data
  • UniversalNo
    MakeBMW
    ModelZ4
    SubmodelSDRIVE35I
    Beginning Year2009
    Ending Year2011
    Engine TypeL6
    Liter3.0
    CC2979
    Engine FamilyBMW inline 6-cylinder
    Engine Size3.0L/2979cc
    DrivetrainRWD
    Catalytic Converter PositionRear Left, Catalytic Converter
    Application NotesAspiration: Turbocharged
  • UniversalNo
    MakeBMW
    ModelZ4
    SubmodelSDRIVE35I
    Beginning Year2012
    Ending Year2016
    Engine TypeL6
    Liter3.0
    CC2979
    Engine FamilyBMW inline 6-cylinder
    Engine Size3.0L/2979cc
    DrivetrainRWD
    Catalytic Converter PositionRear Left, Catalytic Converter
  • UniversalNo
    MakeBMW
    ModelZ4
    SubmodelSDRIVE35IS
    Beginning Year2011
    Ending Year2011
    Engine TypeL6
    Liter3.0
    CC2979
    Engine FamilyBMW inline 6-cylinder
    Engine Size3.0L/2979cc
    DrivetrainRWD
    Catalytic Converter PositionRear Left, Catalytic Converter
    Application NotesAspiration: Turbocharged
  • UniversalNo
    MakeBMW
    ModelZ4
    SubmodelSDRIVE35IS
    Beginning Year2012
    Ending Year2016
    Engine TypeL6
    Liter3.0
    CC2979
    Engine FamilyBMW inline 6-cylinder
    Engine Size3.0L/2979cc
    DrivetrainRWD
    Catalytic Converter PositionRear Left, Catalytic Converter

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