MagnaFlow
2.25in. Universal California Pre-OBDII Catalytic Converter

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

Brand MagnaFlow 337085
Position 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
Product line 2.25in. Universal California Pre-OBDII Catalytic Converter
Fits Ford, Lincoln, Mercury, Nissan, and Subaru · 63 vehicles

Universal fit. Adaptable design requires cutting and welding for installation.

Stainless steel construction. Highly corrosion resistant for dependable durability.

CARB compliant. Meets California Air Resources Board requirements for legal use in restricted states.

$281.85Free shipping
In stock · usually ships same day before 1pm CST
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Order total $281.85
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

California Grade Universal Catalytic Converter

MagnaFlow 337085 is a 2.25-inch universal catalytic converter built for pre-OBDII applications that require CARB-compliant replacement hardware. Its stainless steel construction, ceramic substrate, and welded-in design support a durable exhaust repair for select Ford, Lincoln, Mercury, Nissan, and Subaru vehicles.

The MagnaFlow California Grade line is engineered for vehicles that must meet California Air Resources Board requirements. This universal converter is designed for cutting and welding installation, giving exhaust shops flexibility when replacing a worn or failed converter on listed pre-OBDII applications.

  • Universal fit for adaptable installation on listed vehicles
  • 2.25-inch inlet and 2.25-inch outlet for matched exhaust routing
  • Stainless steel body and tube material for corrosion resistance
  • Ceramic substrate for emissions-system service
  • Oval, clam shell body with attached heat shield
  • CARB Executive Order D-193-102 for listed California and CARB-restricted applications
  • Weld-on inlet and outlet connections

Fitment and Application Details

Fits 1986-1995 Ford Mustang, front left and front right; 1995 Nissan 240SX, front; 1995 Subaru Legacy, front; 1993-1994 Lincoln Mark VIII, front right; 1993-1994 Mercury Grand Marquis, front left; 1986-1991 Mercury Grand Marquis, front left; 1993 Ford Thunderbird, front; 1987-1993 Lincoln Town Car, front left; 1992-1993 Mercury Cougar, front; 1991 Ford LTD Crown Victoria, front left; 1988 Ford LTD Crown Victoria, front left; 1991 Mercury Colony Park, front left and front right; 1987-1988 Mercury Colony Park, front left and front right; 1989-1990 Ford LTD Crown Victoria, front right; 1987 Ford LTD Crown Victoria, front right; 1989-1990 Mercury Colony Park, front left and front right; 1989 Lincoln Town Car, front right; 1986-1987 Lincoln Town Car, front right; 1986 Ford LTD, front left and front right; 1986 Mercury Capri, front left and front right.

What This Converter Helps Address

  • Failed or restricted catalytic converter performance on pre-OBDII vehicles
  • Check engine light concerns related to emissions-system deterioration
  • Corrosion damage in the exhaust stream
  • Need for a CARB-compliant replacement in California and other restricted states
  • Exhaust repair projects requiring a 2.25-inch universal weld-in converter

Installation Notes and Tips

Installation requires cutting and welding. Verify exhaust diameter, converter placement, and vehicle-specific routing before fabrication. Because this unit uses weld-on inlet and outlet connections and has no oxygen sensor ports, confirm the original exhaust layout on the listed pre-OBDII application before installation. For fitment on Ford Mustang, Lincoln Town Car, and Mercury Colony Park applications, match the front-left, front-right, or front position exactly as listed.

Quality Assurance

MagnaFlow 337085 is built to meet or exceed California Air Resources Board requirements and has undergone additional testing for CARB compliance on the listed vehicles. This part cross-references no additional part numbers in the provided data.

This part fits 63 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
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