Magnaflow Universal Catalytic Converter 2" Inlet/Outlet — Fits Pre-OBDII

SKU: MAG91004
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Magnaflow

MagnaFlow has been America's leader in stainless steel performance exhaust since 1981. From the rumbly Pro Street to the OE-quiet Touring series, every MagnaFlow exhaust delivers measurable HP, an unmistakable note, and a lifetime warranty.

Watch in action

MagnaFlow Standard Grade Universal Catalytic Converter (91004)

Maintain your vehicle's emissions compliance with the MagnaFlow 91004 Standard Grade Universal Catalytic Converter. This converter is specifically designed for pre-OBDII vehicles and is compliant with Federal/EPA emissions requirements, helping to ensure your vehicle passes inspections and operates cleanly. Its universal design offers broad applicability, though it requires cutting and welding for a secure installation.

Features and Benefits:

  • Pre-OBDII Compliance: Ideal for older vehicles registered under Federal emissions standards prior to the OBDII system implementation.
  • Federal/EPA Compliant: Meets emissions regulations set forth by the EPA for federally registered vehicles.
  • Durable Stainless Steel: Constructed from high-quality stainless steel to resist corrosion and ensure a long lifespan.
  • Universal Fit: The adaptable design allows this 2-inch catalytic converter to be installed on a wide variety of makes and models.
  • Reduced Emissions: Effectively converts harmful exhaust gases into less harmful substances, contributing to cleaner air.
  • Requires Modification: Installation involves cutting and welding, allowing for a custom fit on diverse exhaust systems.

The MagnaFlow 91004 is a reliable choice for classic car enthusiasts and owners of older vehicles who need to replace a catalytic converter. Its robust construction and compliance with federal standards make it a practical and dependable option. Ensure your vintage vehicle meets emissions requirements with this quality MagnaFlow converter.

Get the MagnaFlow 91004 Universal Catalytic Converter at GGCRACING for your pre-OBDII vehicle's emissions needs.

Vehicle Fitment

Years Make Model Trim
1975-1977 Alfa Romeo Alfetta GT
1975-1977 Alfa Romeo Alfetta Sport
1975-1989 Alfa Romeo Spider Veloce
1985-1989 Alfa Romeo Spider Graduate
1986-1989 Alfa Romeo Spider Quadrifoglio
1978-1979 American Motors Concord Base
1979 American Motors Concord DL
1979 American Motors Concord Limited
1980 American Motors Eagle Limited
1977 American Motors Pacer Base
1982-1993 Buick Century Limited
1982-1995 Buick Century Custom
1984 Buick Century Estate
1984 Buick Century Olympia Limited
1985-1989 Buick Century Estate Wagon
1991-1995 Buick Century Special
1985 Buick Electra Limited
1985 Buick Electra Park Avenue
1985 Buick Electra T-Type
1988-1993 Buick Regal Limited
1988-1995 Buick Regal Custom
1989 Buick Regal Gran Sport
1984 Buick Skyhawk Custom
1984 Buick Skyhawk Limited
1984-1987 Buick Skyhawk T-Type
1987 Buick Skyhawk Limited
1987 Buick Skyhawk Sport
1987-1989 Buick Skyhawk Custom
1988-1989 Buick Skyhawk SE
1982 Buick Skylark Base
1982 Buick Skylark Sport
1982-1989 Buick Skylark Limited
1983-1991 Buick Skylark Custom
1990-1991 Buick Skylark Base
1990-1991 Buick Skylark Gran Sport
1990-1991 Buick Skylark Luxury Edition
1993-1995 Buick Skylark Custom
1993-1995 Buick Skylark Limited
1994-1995 Buick Skylark Gran Sport
1986 Buick Somerset T-Type
1986-1987 Buick Somerset Custom
1986-1987 Buick Somerset Limited
1985 Buick Somerset Regal Base
1985 Buick Somerset Regal Limited
1987-1988 Cadillac Cimarron Base
1987-1995 Chevrolet Beretta Base
1989-1993 Chevrolet Beretta GT
1990 Chevrolet Beretta Indianapolis 500 Pace Car
1990-1993 Chevrolet Beretta GTZ
1994-1995 Chevrolet Beretta Z26
1982-1986 Chevrolet Camaro Sport
1985 Chevrolet Cavalier Base
1985 Chevrolet Cavalier CL
1985 Chevrolet Cavalier CS
1985 Chevrolet Cavalier Type-10
1986-1994 Chevrolet Cavalier RS
1986-1995 Chevrolet Cavalier Z24
1987 Chevrolet Cavalier CS
1987-1990 Chevrolet Cavalier Base
1988-1994 Chevrolet Cavalier VL

…and 342 additional fitments. Contact us to confirm yours.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Magnaflow

MagnaFlow has been America's leader in stainless steel performance exhaust since 1981. From the rumbly Pro Street to the OE-quiet Touring series, every MagnaFlow exhaust delivers measurable HP, an unmistakable note, and a lifetime warranty.

Watch in action

MagnaFlow Standard Grade Universal Catalytic Converter (91004)

Maintain your vehicle's emissions compliance with the MagnaFlow 91004 Standard Grade Universal Catalytic Converter. This converter is specifically designed for pre-OBDII vehicles and is compliant with Federal/EPA emissions requirements, helping to ensure your vehicle passes inspections and operates cleanly. Its universal design offers broad applicability, though it requires cutting and welding for a secure installation.

Features and Benefits:

  • Pre-OBDII Compliance: Ideal for older vehicles registered under Federal emissions standards prior to the OBDII system implementation.
  • Federal/EPA Compliant: Meets emissions regulations set forth by the EPA for federally registered vehicles.
  • Durable Stainless Steel: Constructed from high-quality stainless steel to resist corrosion and ensure a long lifespan.
  • Universal Fit: The adaptable design allows this 2-inch catalytic converter to be installed on a wide variety of makes and models.
  • Reduced Emissions: Effectively converts harmful exhaust gases into less harmful substances, contributing to cleaner air.
  • Requires Modification: Installation involves cutting and welding, allowing for a custom fit on diverse exhaust systems.

The MagnaFlow 91004 is a reliable choice for classic car enthusiasts and owners of older vehicles who need to replace a catalytic converter. Its robust construction and compliance with federal standards make it a practical and dependable option. Ensure your vintage vehicle meets emissions requirements with this quality MagnaFlow converter.

Get the MagnaFlow 91004 Universal Catalytic Converter at GGCRACING for your pre-OBDII vehicle's emissions needs.

Vehicle Fitment

Years Make Model Trim
1975-1977 Alfa Romeo Alfetta GT
1975-1977 Alfa Romeo Alfetta Sport
1975-1989 Alfa Romeo Spider Veloce
1985-1989 Alfa Romeo Spider Graduate
1986-1989 Alfa Romeo Spider Quadrifoglio
1978-1979 American Motors Concord Base
1979 American Motors Concord DL
1979 American Motors Concord Limited
1980 American Motors Eagle Limited
1977 American Motors Pacer Base
1982-1993 Buick Century Limited
1982-1995 Buick Century Custom
1984 Buick Century Estate
1984 Buick Century Olympia Limited
1985-1989 Buick Century Estate Wagon
1991-1995 Buick Century Special
1985 Buick Electra Limited
1985 Buick Electra Park Avenue
1985 Buick Electra T-Type
1988-1993 Buick Regal Limited
1988-1995 Buick Regal Custom
1989 Buick Regal Gran Sport
1984 Buick Skyhawk Custom
1984 Buick Skyhawk Limited
1984-1987 Buick Skyhawk T-Type
1987 Buick Skyhawk Limited
1987 Buick Skyhawk Sport
1987-1989 Buick Skyhawk Custom
1988-1989 Buick Skyhawk SE
1982 Buick Skylark Base
1982 Buick Skylark Sport
1982-1989 Buick Skylark Limited
1983-1991 Buick Skylark Custom
1990-1991 Buick Skylark Base
1990-1991 Buick Skylark Gran Sport
1990-1991 Buick Skylark Luxury Edition
1993-1995 Buick Skylark Custom
1993-1995 Buick Skylark Limited
1994-1995 Buick Skylark Gran Sport
1986 Buick Somerset T-Type
1986-1987 Buick Somerset Custom
1986-1987 Buick Somerset Limited
1985 Buick Somerset Regal Base
1985 Buick Somerset Regal Limited
1987-1988 Cadillac Cimarron Base
1987-1995 Chevrolet Beretta Base
1989-1993 Chevrolet Beretta GT
1990 Chevrolet Beretta Indianapolis 500 Pace Car
1990-1993 Chevrolet Beretta GTZ
1994-1995 Chevrolet Beretta Z26
1982-1986 Chevrolet Camaro Sport
1985 Chevrolet Cavalier Base
1985 Chevrolet Cavalier CL
1985 Chevrolet Cavalier CS
1985 Chevrolet Cavalier Type-10
1986-1994 Chevrolet Cavalier RS
1986-1995 Chevrolet Cavalier Z24
1987 Chevrolet Cavalier CS
1987-1990 Chevrolet Cavalier Base
1988-1994 Chevrolet Cavalier VL

…and 342 additional fitments. Contact us to confirm yours.

Product Details

Product Description

About Magnaflow

MagnaFlow has been America's leader in stainless steel performance exhaust since 1981. From the rumbly Pro Street to the OE-quiet Touring series, every MagnaFlow exhaust delivers measurable HP, an unmistakable note, and a lifetime warranty.

Watch in action

MagnaFlow Standard Grade Universal Catalytic Converter (91004)

Maintain your vehicle's emissions compliance with the MagnaFlow 91004 Standard Grade Universal Catalytic Converter. This converter is specifically designed for pre-OBDII vehicles and is compliant with Federal/EPA emissions requirements, helping to ensure your vehicle passes inspections and operates cleanly. Its universal design offers broad applicability, though it requires cutting and welding for a secure installation.

Features and Benefits:

  • Pre-OBDII Compliance: Ideal for older vehicles registered under Federal emissions standards prior to the OBDII system implementation.
  • Federal/EPA Compliant: Meets emissions regulations set forth by the EPA for federally registered vehicles.
  • Durable Stainless Steel: Constructed from high-quality stainless steel to resist corrosion and ensure a long lifespan.
  • Universal Fit: The adaptable design allows this 2-inch catalytic converter to be installed on a wide variety of makes and models.
  • Reduced Emissions: Effectively converts harmful exhaust gases into less harmful substances, contributing to cleaner air.
  • Requires Modification: Installation involves cutting and welding, allowing for a custom fit on diverse exhaust systems.

The MagnaFlow 91004 is a reliable choice for classic car enthusiasts and owners of older vehicles who need to replace a catalytic converter. Its robust construction and compliance with federal standards make it a practical and dependable option. Ensure your vintage vehicle meets emissions requirements with this quality MagnaFlow converter.

Get the MagnaFlow 91004 Universal Catalytic Converter at GGCRACING for your pre-OBDII vehicle's emissions needs.

Vehicle Fitment

Years Make Model Trim
1975-1977 Alfa Romeo Alfetta GT
1975-1977 Alfa Romeo Alfetta Sport
1975-1989 Alfa Romeo Spider Veloce
1985-1989 Alfa Romeo Spider Graduate
1986-1989 Alfa Romeo Spider Quadrifoglio
1978-1979 American Motors Concord Base
1979 American Motors Concord DL
1979 American Motors Concord Limited
1980 American Motors Eagle Limited
1977 American Motors Pacer Base
1982-1993 Buick Century Limited
1982-1995 Buick Century Custom
1984 Buick Century Estate
1984 Buick Century Olympia Limited
1985-1989 Buick Century Estate Wagon
1991-1995 Buick Century Special
1985 Buick Electra Limited
1985 Buick Electra Park Avenue
1985 Buick Electra T-Type
1988-1993 Buick Regal Limited
1988-1995 Buick Regal Custom
1989 Buick Regal Gran Sport
1984 Buick Skyhawk Custom
1984 Buick Skyhawk Limited
1984-1987 Buick Skyhawk T-Type
1987 Buick Skyhawk Limited
1987 Buick Skyhawk Sport
1987-1989 Buick Skyhawk Custom
1988-1989 Buick Skyhawk SE
1982 Buick Skylark Base
1982 Buick Skylark Sport
1982-1989 Buick Skylark Limited
1983-1991 Buick Skylark Custom
1990-1991 Buick Skylark Base
1990-1991 Buick Skylark Gran Sport
1990-1991 Buick Skylark Luxury Edition
1993-1995 Buick Skylark Custom
1993-1995 Buick Skylark Limited
1994-1995 Buick Skylark Gran Sport
1986 Buick Somerset T-Type
1986-1987 Buick Somerset Custom
1986-1987 Buick Somerset Limited
1985 Buick Somerset Regal Base
1985 Buick Somerset Regal Limited
1987-1988 Cadillac Cimarron Base
1987-1995 Chevrolet Beretta Base
1989-1993 Chevrolet Beretta GT
1990 Chevrolet Beretta Indianapolis 500 Pace Car
1990-1993 Chevrolet Beretta GTZ
1994-1995 Chevrolet Beretta Z26
1982-1986 Chevrolet Camaro Sport
1985 Chevrolet Cavalier Base
1985 Chevrolet Cavalier CL
1985 Chevrolet Cavalier CS
1985 Chevrolet Cavalier Type-10
1986-1994 Chevrolet Cavalier RS
1986-1995 Chevrolet Cavalier Z24
1987 Chevrolet Cavalier CS
1987-1990 Chevrolet Cavalier Base
1988-1994 Chevrolet Cavalier VL

…and 342 additional fitments. Contact us to confirm yours.

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