MagnaFlow 14-16 CX-5 L4 2.5 OEM Underbody Direct Fit Converter
MagnaFlow 14-16 CX-5 L4 2.5 OEM Underbody Direct Fit 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 mag21-329 SFX Item ID 4289474 Accounting SKU mag-21-329 Manufacturer SKU 21-329 Manufacturer UPC 888563159881 Alternative References 21-329, MFL21-329, MPE-21-329
OEM Grade
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 21-329. 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 2013-2016 Mazda CX-5 2.0L & 2014-2020 Mazda CX-5 2.5L. MagnaFlow 21-329 includes (1) Split Lock Washer, (2) Flat Ring Gaskets, (2) Torca Clamps, (5) Bolts, (1) Nut and interchanges with OE parts PY35-20-55XA. 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 Information
Magnaflow OEM Grade Direct-Fit Catalytic Converter
Features and Benefits
- 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
- 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
Product Details
| Air Tube Adaptable: | No |
| Air Tube Count: | 0 |
| Body Height: | 4 |
| Body Length: | 9.125 |
| Body Material: | Stainless Steel |
| Body Shape: | Round |
| Body Type: | Spun |
| Body Width: | 4.000 in. |
| CARB Executive Order Number: | Not Applicable |
| 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: | Yes |
| Heat Shield Attached: | No |
| Heat Shield Material: | None |
| Inlet Attachment: | Bolt-On |
| Inlet Diameter: | 2.25 |
| Inlet Gasket Included: | Yes |
| Inlet Inside Diameter: | 2.25 |
| Inlet Mounting Hardware Included: | Yes |
| Inlet Quantity: | 1 |
| Inlet Type: | Bolt-On |
| Main Piping Diameter: | 2.25 |
| Material: | Stainless Steel |
| Mounting Hardware Included: | Yes |
| Outlet Attachment: | Bolt-On |
| Outlet Diameter: | 2.25 |
| Outlet Gasket Included: | Yes |
| Outlet Inside Diameter: | 2.25 |
| Outlet Mounting Hardware Included: | Yes |
| Outlet Quantity: | 1 |
| Outlet Type: | Bolt-On |
| Overall Length: | 103.25 |
| Oxygen Sensor Location: | Pre Converter |
| Part Number: | mag21-329 |
| Pipe Material: | Stainless Steel |
| Sensor Port Count: | 1 |
| Series: | OEM Grade |
| Shape: | Round |
| Substrate Material: | Ceramic |
| Substrate: | Ceramic |
| Tube Material: | Stainless Steel |
| Type: | Direct-Fit |
| Universal Or Specific Fit: | Specific |
Product Overview
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 21-329. 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 2014-2016 Mazda CX-5 and interchanges with OE part PY35-20-55XA. 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.
| Additional Application Notes | |
|---|---|
| • OEM Grade; Round; Stainless Steel;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 19:14:50
Product Overview
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 21-329. 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 2014-2016 Mazda CX-5 and interchanges with OE part PY35-20-55XA. 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
- OE-Sized Barbed Exhaust Hangers Made From Corrosion-Resistant 410 Stainless Steel
- 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
- OE-sized barbed exhaust hangers made from corrosion-resistant 410 stainless steel, designed to reduce noise and vibration
- 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: | 4 |
| Body Length: | 9.125 |
| Body Material: | Stainless Steel |
| Body Shape: | Round |
| Body Type: | Spun |
| Body Width: | 4.000 in. |
| 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: | Yes |
| Heat Shield Attached: | No |
| Heat Shield Material: | None |
| Inlet Attachment: | Bolt-On |
| Inlet Diameter: | 2.25 |
| Inlet Gasket Included: | Yes |
| Inlet Inside Diameter: | 2.25 |
| Inlet Mounting Hardware Included: | Yes |
| Inlet Quantity: | 1 |
| Inlet Type: | Bolt-On |
| Main Piping Diameter: | 2.25 |
| Material: | Stainless Steel |
| Mounting Hardware Included: | Yes |
| Outlet Attachment: | Bolt-On |
| Outlet Diameter: | 2.25 |
| Outlet Gasket Included: | Yes |
| Outlet Inside Diameter: | 2.25 |
| Outlet Mounting Hardware Included: | Yes |
| Outlet Quantity: | 1 |
| Outlet Type: | Bolt-On |
| Overall Length: | 103.25 |
| Oxygen Sensor Location: | Pre Converter |
| Part Number: | mag21-329 |
| Pipe Material: | Stainless Steel |
| Prop 65 Y/N: | No |
| Sensor Port Count: | 1 |
| Series: | OEM Grade |
| Shape: | Round |
| Substrate Material: | Ceramic |
| Substrate: | Ceramic |
| Subtitle: | Federal / EPA Compliant Direct-Fit Catalytic Converter |
| Title: | MagnaFlow 2014-2016 Mazda CX-5 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
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
- 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
Catalytic Converter, Direct-Fit, Stainless Steel Case, 98.375 in. Overall Length, Mazda, CX-5, 2.5L, Each
MagnaFlow OEM Grade Federal/EPA Compliant direct-fit catalytic converters provide your vehicle with high-emission compliance, the latest technology, and premium-grade components. Along with those benefits, you also get their industry-leading warranties, so you can drive with confidence. MagnaFlow converters are designed to the exact original equipment specifications, while being engineered to keep the "Check Engine Light" off.
Features include:
• Stainless steel construction
• CNC-precision robotic manufacturing
• Meets or exceeds EPA emissions requirements
• Hassle-free, OE-like fitment tailored to your specific application
• Limited 5-year/50,000 mile warranty on construction
• Limited 25,000 mile warranty on emissions
| Product Attributes | |
|---|---|
| Brand | MagnaFlow |
| Manufacturer's Part Number | 21-329 |
| Part Type | Catalytic Converters |
| UPC | 888563159881 |
| Inlet Quantity | Stock |
| Converter Inlet Attachment | Stock flange |
| Outlet Quantity | Stock |
| Converter Outlet Attachment | Stock flange |
| Converter Case Material | Stainless steel |
| Converter Overall Length (in.) | 98.38 |
| Remanufactured | No |
| AIR Tube | No |
| Heat Shield | No |
| Quantity | Sold individually. |
| Notes | Designed to replace OEM part number PY35-20-55XA. |
Product Details
| Air Tube Adaptable: | No |
|---|---|
| Air Tube Count: | 0 |
| Body Height: | 4 |
| Body Length: | 9.125 |
| Body Material: | Stainless Steel |
| Body Shape: | Round |
| Body Type: | Spun |
| Body Width: | 4.000 in. |
| 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: | Yes |
| Heat Shield Attached: | No |
| Heat Shield Material: | None |
| Inlet Attachment: | Bolt-On |
| Inlet Diameter: | 2.25 |
| Inlet Gasket Included: | Yes |
| Inlet Inside Diameter: | 2.25 |
| Inlet Mounting Hardware Included: | Yes |
| Inlet Quantity: | 1 |
| Inlet Type: | Bolt-On |
| Main Piping Diameter: | 2.25 |
| Material: | Stainless Steel |
| Mounting Hardware Included: | Yes |
| Outlet Attachment: | Bolt-On |
| Outlet Diameter: | 2.25 |
| Outlet Gasket Included: | Yes |
| Outlet Inside Diameter: | 2.25 |
| Outlet Mounting Hardware Included: | Yes |
| Outlet Quantity: | 1 |
| Outlet Type: | Bolt-On |
| Overall Length: | 103.25 |
| Oxygen Sensor Location: | Pre Converter |
| Part Number: | mag21-329 |
| Pipe Material: | Stainless Steel |
| Prop 65 Y/N: | No |
| Sensor Port Count: | 1 |
| Series: | OEM Grade |
| Shape: | Round |
| Substrate Material: | Ceramic |
| Substrate: | Ceramic |
| Subtitle: | Federal / EPA Compliant Direct-Fit Catalytic Converter |
| Title: | MagnaFlow 2014-2016 Mazda CX-5 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 |
Reference Information
| Brand Name/s | Magnaflow |
|---|---|
| StreetFX SKU | mag21-329 |
| SFX Item ID | 4289474 |
| Supplier Item Code | 4289474 |
| Manufacturer SKU | 21-329 |
| Manufacturer UPC | 888563159881 |
| Alternative References | MFL21-329, MPE-21-329, CX-5 |
Compatibility
| MagnaFlow 14-16 CX-5 L4 2.5 OEM Underbody Direct Fit Converter | ||||
|---|---|---|---|---|
| Year Range | Make | Model | Submodels | Region |
| 2013-2020 | Mazda | CX-5 | Grand Touring, Sport, Touring, Grand Select | 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 | |
|---|---|
| Universal | No |
| Make | MAZDA |
| Model | CX-5 |
| Submodel | GRAND TOURING |
| Beginning Year | 2016 |
| Ending Year | 2016 |
| Engine Type | L4 |
| Engine Family | Mazda 4-cylinder |
| Engine Size | 2.5L/2488cc |
| Catalytic Converter Position | OEM |
| Universal | No |
| Make | MAZDA |
| Model | CX-5 |
| Submodel | SPORT |
| Beginning Year | 2015 |
| Ending Year | 2016 |
| Engine Type | L4 |
| Engine Family | Mazda 4-cylinder |
| Engine Size | 2.5L/2488cc |
| Catalytic Converter Position | OEM |
| Universal | No |
| Make | MAZDA |
| Model | CX-5 |
| Submodel | TOURING |
| Beginning Year | 2015 |
| Ending Year | 2016 |
| Engine Type | L4 |
| Engine Family | Mazda 4-cylinder |
| Engine Size | 2.5L/2488cc |
| Catalytic Converter Position | OEM |
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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