HomeExhaust > Catalytic ConverterMagnaFlow 337085 Catalytic Converter - Front, Front Left or Front Right
Part #: 337085

MagnaFlow 337085 Catalytic Converter - Front, Front Left or Front Right

2.25in. Universal California Pre-OBDII Catalytic Converter, Front Left, Front Right, and Front
⚙️ 63 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦2.25in. Universal California Pre-OBDII Catalytic Converter, Front Left, Front Right, and Front
🚗Fitment: Ford, Lincoln, Mercury, Nissan, and Subaru, 240SX, Capri, Colony Park, Cougar, Grand Marquis, Legacy, LTD, LTD Crown Victoria, Mark VIII, Mustang, Thunderbird, and Town Car
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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.

BrandMagnaFlow
Part Number337085
Position2.25in. Universal California Pre-OBDII Catalytic Converter, Front Left, Front Right, and Front
Universal Or Specific FitUniversal
Tube MaterialStainless steel
Body ShapeOval
Inlet Inside Diameter2.25
Body Height3.75
Body Length7.75
Body Width6.5
Heat Shield AttachedYes
Inlet Quantity1
Body MaterialStainless steel
Outlet Inside Diameter2.25
Outlet Quantity1
Substrate MaterialCeramic
Inlet Gasket IncludedNo
Inlet Mounting Hardware IncludedNo
Outlet Gasket IncludedNo
Outlet Mounting Hardware IncludedNo
Overall Length11.5
Air Tube Count0
Sensor Port Count0
Air Tube AdaptableNo
Body TypeClam shell
Clamp IncludedNo
Converter Quantity1
FinishStainless
Gasket IncludedNo
Hangers IncludedNo
Heat Shield MaterialAluminized steel
Inlet AttachmentWeld-on
Inlet Diameter2.25

This part fits 63 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1995FordMustang5.0LV8Front LeftCertification 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
1995FordMustang5.0LV8Front RightCertification 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
1995Nissan240SX2.4LL4FrontCertification 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
1995SubaruLegacy2.2LH4FrontCertification 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
1994FordMustang5.0LV8Front LeftCertification 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
1994FordMustang5.0LV8Front RightCertification 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
1994LincolnMark VIII4.6LV8Front RightCertification 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
1994MercuryGrand Marquis4.6LV8Front LeftCertification 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
1993FordMustang5.0LV8Front LeftCertification 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
1993FordMustang5.0LV8Front RightCertification 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
1993FordThunderbird5.0LV8FrontCertification 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
1993LincolnMark VIII4.6LV8Front RightCertification 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
1993LincolnTown Car4.6LV8Front LeftCertification 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
1993MercuryCougar5.0LV8FrontCertification 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
1993MercuryGrand Marquis4.6LV8Front LeftCertification 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
1992FordMustang5.0LV8Front LeftCertification 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
1992FordMustang5.0LV8Front RightCertification 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
1992LincolnTown Car4.6LV8Front LeftCertification 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
1992MercuryCougar5.0LV8FrontCertification 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
1991FordLTD Crown Victoria5.0LV8Front LeftCertification 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
1991FordMustang5.0LV8Front LeftCertification 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
1991FordMustang5.0LV8Front RightCertification 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
1991LincolnTown Car4.6LV8Front LeftCertification 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
1991MercuryColony Park5.0LV8Front LeftCertification 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
1991MercuryColony Park5.0LV8Front RightCertification 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
1991MercuryGrand Marquis5.0LV8Front LeftCertification 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
1990FordLTD Crown Victoria5.0LV8Front RightCertification 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
1990FordMustang5.0LV8Front LeftCertification 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
1990FordMustang5.0LV8Front RightCertification 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
1990LincolnTown Car5.0LV8Front LeftCertification 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
1990MercuryColony Park5.0LV8Front LeftCertification Level : PRE-OBDII; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter
1990MercuryColony Park5.0LV8Front RightCertification Level : PRE-OBDII; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter
1990MercuryGrand Marquis5.0LV8Front LeftCertification 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
1989FordLTD Crown Victoria5.0LV8Front RightCertification 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
1989FordMustang5.0LV8Front LeftCertification 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
1989FordMustang5.0LV8Front RightCertification 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
1989LincolnTown Car5.0LV8Front LeftCertification 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
1989LincolnTown Car5.0LV8Front RightCertification 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
1989MercuryColony Park5.0LV8Front LeftCertification Level : PRE-OBDII; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter
1989MercuryColony Park5.0LV8Front RightCertification Level : PRE-OBDII; Cutting and Welding Required During Installation; CARB Executive Order D-193-102; 2.25in. Universal California Pre-OBDII Catalytic Converter
1989MercuryGrand Marquis5.0LV8Front LeftCertification 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
1988FordLTD Crown Victoria5.0LV8Front LeftCertification 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
1988FordMustang5.0LV8Front LeftCertification 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
1988FordMustang5.0LV8Front RightCertification 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
1988LincolnTown Car5.0LV8Front LeftCertification 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
1988MercuryColony Park5.0LV8Front LeftCertification 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
1988MercuryColony Park5.0LV8Front RightCertification 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
1988MercuryGrand Marquis5.0LV8Front LeftCertification 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
1987FordLTD Crown Victoria5.0LV8Front RightCertification 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
1987FordMustang5.0LV8Front LeftCertification 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
1987FordMustang5.0LV8Front RightCertification 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
1987LincolnTown Car5.0LV8Front LeftCertification 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
1987LincolnTown Car5.0LV8Front RightCertification 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
1987MercuryColony Park5.0LV8Front LeftCertification 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
1987MercuryGrand Marquis5.0LV8Front LeftCertification 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
1986FordLTD5.0LV8Front LeftCertification 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
1986FordLTD5.0LV8Front RightCertification 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
1986FordMustang5.0LV8Front LeftCertification 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
1986FordMustang5.0LV8Front RightCertification 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
1986LincolnTown Car5.0LV8Front RightCertification 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
1986MercuryCapri5.0LV8Front LeftCertification 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
1986MercuryCapri5.0LV8Front RightCertification 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
1986MercuryGrand Marquis5.0LV8Front LeftCertification 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.