Description
OEM Grade
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Manifold Catalytic Converter 51591. 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 Manifold Catalytic Converter is designed to fit the 2007-2012 Nissan Sentra 2.5L. MagnaFlow 51591 includes (1) Flange Gasket, (4) Bolts, (4) Nuts and interchanges with OE parts 14002-JA80A. 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 Manifold Catalytic Converter
Part Type
Catalytic Converter with Integrated Exhaust Manifold
Product Overview
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 51591. 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 2007-2012 Nissan Sentra and interchanges with OE part 14002-JA80A. 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; 1.75 in. Tubing; 1.75 in. Inlet/1.75 in. Outlet; Round; Stainless Steel;Not Legal For Sale Or Use On Vehicles Registered In CA | |
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: 2026-11-08 05:00:26
Features
- Durable 308 stainless steel MIG welds
- 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
- Manifold Catalytic Converter
- Simplifies installation with essential gaskets and hardware being included in the box
- Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
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.
Specifications
Product Details
| Air Tube Adaptable: | No |
| Air Tube Count: | 0 |
| Body Height: | 4.000 in. |
| Body Length Position Left: | 6.25 |
| Body Length Position Right: | 5.875 |
| Body Shape: | Round |
| Body Type: | Spun |
| Body Width: | 4.000 in. |
| CARB Executive Order Number: | Not Applicable |
| Clamp Included: | No |
| Clamps Included: | No |
| Converter Body Length: | 6.25 |
| Converter Body Material: | Stainless Steel |
| Converter Quantity: | 2 |
| Converter Tube Material: | Stainless Steel |
| Core Substrate Material: | Ceramic |
| Description: | OEM Grade Manifold Catalytic Converter |
| Finish: | Stainless Steel |
| Gasket Included: | Yes |
| Gasket Or Seal Included: | Yes |
| Grade Type: | Regular |
| Heat Shield Attached: | No |
| Heat Shield Material: | None |
| Inlet Attachment Type: | Bolt-On |
| Inlet Attachment: | Bolt-On |
| Inlet Diameter: | 1.750 in. |
| Inlet Gasket Included: | Yes |
| Inlet Inside Diameter: | 1.750 in. |
| Inlet Mounting Hardware Included: | No |
| Inlet Quantity: | 4 |
| Inlet Type: | Flanged |
| Main Piping Diameter: | 1.750 in. |
| Material: | Stainless Steel |
| Mounting Hardware Included: | Yes |
| Outlet Attachment Type: | Bolt-On |
| Outlet Attachment: | Bolt-On |
| Outlet Diameter: | 2.500 in. |
| Outlet Gasket Included: | No |
| Outlet Mounting Hardware Included: | Yes |
| Outlet Outside Diameter: | 1.750 in. |
| Outlet Quantity: | 1 |
| Outlet Type: | Flanged |
| Overall Length: | 18.250 in. |
| Oxygen Sensor Location: | Pre and Post Converter |
| Part Number: | mag51591 |
| Sensor Port Count: | 4 |
| Series: | OEM Grade |
| Substrate Material: | Ceramic |
| Substrate: | Ceramic |
| Title: | OEM Grade Manifold |
| Type: | One-Piece |
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 | mag51591 |
| SFX Item ID | 4284334 |
| Accounting SKU | mag-51591 |
| Manufacturer SKU | 51591 |
| Manufacturer UPC | 888563070872 |
| Alternative References | 51591, MFL51591, MPE-51591 |
Catalytic Converter, OEM Grade, Federal/EPA Compliant, Manifold, Direct-Fit, for Nissan, 2.5L, Each
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant direct-fit manifold catalytic converters. With features including free-flowing mandrel-bent tubing and highly corrosion resistant, stainless steel construction, you can easily install these converters 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. The included gaskets and hardware reduce the possibility of a leaking seal while avoiding the need to reuse corroded factory parts for installation. These OEM Grade replacements are 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 Attributes | |
|---|---|
| Brand | MagnaFlow |
| Manufacturer's Part Number | 51591 |
| Part Type | Catalytic Converters |
| UPC | 888563070872 |
| Inlet Quantity | 4 |
| Inlet Diameter (in.) | 1.75 in. |
| Converter Inlet Attachment | Stock flange |
| Outlet Quantity | 1 |
| Outlet Diameter (in.) | 2.50 in. |
| Converter Outlet Attachment | Stock flange |
| Converter Case Material | Stainless steel |
| Converter Substrate Material | Ceramic substrate |
| Converter Overall Length (in.) | 18.25 |
| Converter Style | 3-way |
| Remanufactured | No |
| AIR Tube | No |
| Heat Shield | No |
| Quantity | Sold individually. |
| Manufacturer Attributes | |
|---|---|
| Grade Type | Regular |
| Heat Shield Attached | No |
| Inlet Gasket Included | Yes |
| Inlet Mounting Hardware Included | No |
| Inlet Type | Flanged |
| Outlet Gasket Included | No |
| Outlet Mounting Hardware Included | Yes |
| Outlet Type | Flanged |
| Overall Length | 20 |
| Sensor Port Count | 4 |
| Substrate Material | Ceramic |
| Converter Tube Material | Stainless Steel |
| Converter Body Material | Stainless Steel |
| Converter Body Length | 6.25 |
| Clamps Included | No |
| Type | One-Piece |
| Finish | Stainless Steel |
| Series | OEM Grade |
| CARB Executive Order Number | Not Applicable |
| Body Type | Spun |
| Title | MagnaFlow 2007-2012 Nissan Sentra OEM Grade Federal / EPA Compliant Manifold Catalytic Converter |
| Manufacturer Designation | OEM Grade Manifold Catalytic Converter |
| Product Class | Catalytic Converter with Integrated Exhaust Manifold |
| Construction/Type | Magnaflow OEM Grade Manifold Catalytic Converter |
| Product Outline | Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life 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 Durable 308 stainless steel MIG welds |
| Vehicle Brief | Manifold Converter |
Compatibility
Loading compatibility information...
