OE Quality
60-Day Returns

MagnaFlow 337085 Catalytic Converter - Front, Front Left or Front Right
Overview of MagnaFlow 2.25in. Universal California Pre-OBDII Catalytic Converter
The MagnaFlow 2.25in. Universal California Pre-OBDII Catalytic Converter (part number 337085) is designed for reliable emissions control on select Ford, Lincoln, Mercury, Nissan, and Subaru vehicles. This universal fit catalytic converter is engineered to meet California emissions standards for pre-OBDII applications, making it suitable for models like the Mustang, Thunderbird, Legacy, and 240SX.
- Universal fit for multiple vehicle makes and models
- Constructed with durable stainless steel tube and body
- Oval clam shell body shape with aluminized steel heat shield
- 2.25 inch inlet and outlet inside diameter for consistent flow
- Ceramic substrate for effective catalytic conversion
- Weld-on inlet attachment for secure installation
- Compatible with Ford Mustang, Lincoln Mark VIII, Mercury Cougar, Nissan 240SX, Subaru Legacy, and more
Product Line Details: 2.25in. Universal California Pre-OBDII Catalytic Converter
The MagnaFlow 2.25in. Universal California Pre-OBDII Catalytic Converter line is designed to provide emissions compliance for vehicles manufactured before the OBDII standard was implemented. This product line focuses on universal fitment with high-quality stainless steel construction and ceramic substrates to ensure durability and effective catalytic performance. The attached aluminized steel heat shield helps protect surrounding components from excessive heat, making it a practical choice for various pre-OBDII Ford, Lincoln, Mercury, Nissan, and Subaru models.
Detailed Product Description
This catalytic converter features a 2.25 inch inside diameter inlet and outlet, allowing for consistent exhaust flow and compatibility with a wide range of exhaust systems. The oval clam shell body measures 7.75 inches in length, 6.5 inches in width, and 3.75 inches in height, providing a compact yet efficient design. Constructed entirely from stainless steel, including the tube and body, this converter offers corrosion resistance and long service life. The ceramic substrate inside facilitates the conversion of harmful emissions into less harmful gases, meeting California pre-OBDII emissions requirements. The aluminized steel heat shield is attached to the body to reduce heat transfer and protect adjacent components. This part is designed for weld-on installation and does not include gaskets or mounting hardware.
Compatible Vehicles and Common Applications
- Replacement for failing or clogged catalytic converters on Ford Mustang, Lincoln Mark VIII, Mercury Cougar, and Thunderbird
- Emissions compliance upgrade for Nissan 240SX and Subaru Legacy models
- Addressing exhaust leaks or damage in pre-OBDII Ford LTD Crown Victoria and Town Car
- Restoring catalytic efficiency on Mercury Colony Park and Ford Capri
- Improving exhaust flow and emissions control on Lincoln Grand Marquis
Installation Notes and Tips
- Designed for weld-on installation; professional welding recommended for secure fitment
- Verify inlet and outlet diameters (2.25 inches) match existing exhaust piping
- Heat shield is pre-attached; ensure clearance to avoid contact with heat-sensitive components
- Gaskets and mounting hardware are not included and should be sourced separately
- Check local emissions regulations to confirm compliance with California pre-OBDII standards
Quality Assurance and Warranty
MagnaFlow catalytic converters are manufactured with stainless steel and ceramic substrates to meet stringent emissions standards and provide durability. While specific warranty details for part number 337085 are not provided here, MagnaFlow products typically come with a limited warranty against defects in materials and workmanship. For exact warranty terms, consult MagnaFlow documentation or authorized distributors.
| Brand | MagnaFlow |
| Part Number | 337085 |
| Position | 2.25in. Universal California Pre-OBDII Catalytic Converter, Front Left, Front Right, and Front |
| Universal Or Specific Fit | Universal |
| Tube Material | Stainless steel |
| Body Shape | Oval |
| Inlet Inside Diameter | 2.25 |
| Body Height | 3.75 |
| Body Length | 7.75 |
| Body Width | 6.5 |
| Heat Shield Attached | Yes |
| Inlet Quantity | 1 |
| Body Material | Stainless steel |
| Outlet Inside Diameter | 2.25 |
| Outlet Quantity | 1 |
| Substrate Material | Ceramic |
| Inlet Gasket Included | No |
| Inlet Mounting Hardware Included | No |
| Outlet Gasket Included | No |
| Outlet Mounting Hardware Included | No |
| Overall Length | 11.5 |
| Air Tube Count | 0 |
| Sensor Port Count | 0 |
| Air Tube Adaptable | No |
| Body Type | Clam shell |
| Clamp Included | No |
| Converter Quantity | 1 |
| Finish | Stainless |
| Gasket Included | No |
| Hangers Included | No |
| Heat Shield Material | Aluminized steel |
| Inlet Attachment | Weld-on |
| Inlet Diameter | 2.25 |
This part fits 63 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1995 | Ford | Mustang | 5.0L | V8 | Front Left | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1995 | Ford | Mustang | 5.0L | V8 | Front Right | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1995 | Nissan | 240SX | 2.4L | L4 | Front | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1995 | Subaru | Legacy | 2.2L | H4 | Front | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1994 | Ford | Mustang | 5.0L | V8 | Front Left | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1994 | Ford | Mustang | 5.0L | V8 | Front Right | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1994 | Lincoln | Mark VIII | 4.6L | V8 | Front Right | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1994 | Mercury | Grand Marquis | 4.6L | V8 | Front Left | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1993 | Ford | Mustang | 5.0L | V8 | Front Left | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1993 | Ford | Mustang | 5.0L | V8 | Front Right | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1993 | Ford | Thunderbird | 5.0L | V8 | Front | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1993 | Lincoln | Mark VIII | 4.6L | V8 | Front Right | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1993 | Lincoln | Town Car | 4.6L | V8 | Front Left | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1993 | Mercury | Cougar | 5.0L | V8 | Front | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1993 | Mercury | Grand Marquis | 4.6L | V8 | Front Left | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1992 | Ford | Mustang | 5.0L | V8 | Front Left | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1992 | Ford | Mustang | 5.0L | V8 | Front Right | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1992 | Lincoln | Town Car | 4.6L | V8 | Front Left | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1992 | Mercury | Cougar | 5.0L | V8 | Front | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1991 | Ford | LTD Crown Victoria | 5.0L | V8 | Front Left | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1991 | Ford | Mustang | 5.0L | V8 | Front Left | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1991 | Ford | Mustang | 5.0L | V8 | Front Right | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1991 | Lincoln | Town Car | 4.6L | V8 | Front Left | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1991 | Mercury | Colony Park | 5.0L | V8 | Front Left | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1991 | Mercury | Colony Park | 5.0L | V8 | Front Right | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1991 | Mercury | Grand Marquis | 5.0L | V8 | Front Left | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1990 | Ford | LTD Crown Victoria | 5.0L | V8 | Front Right | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1990 | Ford | Mustang | 5.0L | V8 | Front Left | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1990 | Ford | Mustang | 5.0L | V8 | Front Right | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1990 | Lincoln | Town Car | 5.0L | V8 | Front Left | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1990 | Mercury | Colony Park | 5.0L | V8 | Front Left | Certification Level : PRE-OBDII; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1990 | Mercury | Colony Park | 5.0L | V8 | Front Right | Certification Level : PRE-OBDII; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1990 | Mercury | Grand Marquis | 5.0L | V8 | Front Left | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1989 | Ford | LTD Crown Victoria | 5.0L | V8 | Front Right | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1989 | Ford | Mustang | 5.0L | V8 | Front Left | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1989 | Ford | Mustang | 5.0L | V8 | Front Right | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1989 | Lincoln | Town Car | 5.0L | V8 | Front Left | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1989 | Lincoln | Town Car | 5.0L | V8 | Front Right | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1989 | Mercury | Colony Park | 5.0L | V8 | Front Left | Certification Level : PRE-OBDII; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1989 | Mercury | Colony Park | 5.0L | V8 | Front Right | Certification Level : PRE-OBDII; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1989 | Mercury | Grand Marquis | 5.0L | V8 | Front Left | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1988 | Ford | LTD Crown Victoria | 5.0L | V8 | Front Left | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1988 | Ford | Mustang | 5.0L | V8 | Front Left | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1988 | Ford | Mustang | 5.0L | V8 | Front Right | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1988 | Lincoln | Town Car | 5.0L | V8 | Front Left | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1988 | Mercury | Colony Park | 5.0L | V8 | Front Left | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1988 | Mercury | Colony Park | 5.0L | V8 | Front Right | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1988 | Mercury | Grand Marquis | 5.0L | V8 | Front Left | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1987 | Ford | LTD Crown Victoria | 5.0L | V8 | Front Right | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1987 | Ford | Mustang | 5.0L | V8 | Front Left | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1987 | Ford | Mustang | 5.0L | V8 | Front Right | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1987 | Lincoln | Town Car | 5.0L | V8 | Front Left | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1987 | Lincoln | Town Car | 5.0L | V8 | Front Right | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1987 | Mercury | Colony Park | 5.0L | V8 | Front Left | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1987 | Mercury | Grand Marquis | 5.0L | V8 | Front Left | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1986 | Ford | LTD | 5.0L | V8 | Front Left | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1986 | Ford | LTD | 5.0L | V8 | Front Right | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1986 | Ford | Mustang | 5.0L | V8 | Front Left | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1986 | Ford | Mustang | 5.0L | V8 | Front Right | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1986 | Lincoln | Town Car | 5.0L | V8 | Front Right | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1986 | Mercury | Capri | 5.0L | V8 | Front Left | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1986 | Mercury | Capri | 5.0L | V8 | Front Right | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
| 1986 | Mercury | Grand Marquis | 5.0L | V8 | Front Left | Certification Level : PRE-OBDII; OE Spec; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.