1991 Pontiac Firebird Catalytic Converters

Essential 1991 Pontiac Firebird Catalytic Converters

MagnaFlow – Standard Grade Federal / EPA Compliant Universal Catalytic Converter (Part No.93519)

Standard Grade Federal / EPA Compliant Universal Catalytic Converter

from

$164.99
MagnaFlow Standard Grade Federal/EPA Compliant Universal Catalytic Converter 93519 helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design (cutting and welding is required). With highly corrosion resistant, stainless steel construction, you can have confidence in the quality of this catalytic converter. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for pre-OBDII Federally registered vehicles.

Product Features:
  • Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off.
  • Compact, lightweight construction enables installation in confined areas, welding is required.
  • Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
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Walker – CalCat Catalytic Converter- CARB Certified, Universal / Fabrication Needed (Part No.81123)

CalCat Catalytic Converter- CARB Certified, Universal / Fabrication Needed

from

$819.99
Designed, tested and validated for assured compliance to meet CARB standards, Walker CalCat Universal Catalytic Converters are available for OBDII (1996 and newer) and non-OBD (1995 and older) vehicles.

Product Features:
  • CARB COMPLIANT — For use on OBDII vehicles, 1996 and newer and non-OBD 1995 and older. Legal for sale in CA, CO, NY & other states requiring CARB-compliant replacement converters. Consult your state’s aftermarket converter regulations.
  • SUPERIOR TECHNOLOGY — Optimal high technology washcoat formulated to deliver superior performance (as compared to EPA-compliant converters)
  • CONSISTENT PERFORMANCE — Utilizes a precise OE-style coating process to apply catalyst material to the substrate, providing consistent performance for assured emissions compliance
  • DURABLE — Features stainless-steel body with aluminized pipe and heat shields for durability
  • FLEXIBLE SOLUTION — Customizable design features expandable bushings for easy fitment and may require specialized fabrication and/or welding for installation
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MagnaFlow – Standard Grade Federal / EPA Compliant Direct-Fit Catalytic Converter (Part No.93431)

Standard Grade Federal / EPA Compliant Direct-Fit Catalytic Converter

from

$333.99
MagnaFlow Standard Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 93431 helps keep the check engine light off. DIY installation is easy with the proper tools (no cutting or welding required). With features including mandrel-bent tubing to eliminate flow restrictions and stainless steel construction to resist corrosion, you can have confidence in the quality of this catalytic converter. Using state-of-the-art 3D scanning systems in the design process, the MagnaFlow metrology department ensures this new part to fit and function like the original equipment. This direct-fit catalytic converter is designed to fit the 1977-1980 Cadillac DeVille, 1977-1980 Chevrolet Impala, and additional vehicles. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for pre-OBDII Federally registered vehicles.

Product Features:
  • 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.
  • Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
See More

MagnaFlow – California Grade CARB Compliant Universal Catalytic Converter (Part No.408005)

California Grade CARB Compliant Universal Catalytic Converter

from

$317.99
MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 408005 helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design (cutting and welding is required). With highly corrosion resistant, stainless steel construction, you can have confidence in the quality of this catalytic converter. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.

Product Features:
  • Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off.
  • Compact, lightweight construction enables installation in confined areas, welding is required.
  • Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
See More

Walker – CalCat Catalytic Converter- CARB Certified, Universal / Fabrication Needed (Part No.81507)

CalCat Catalytic Converter- CARB Certified, Universal / Fabrication Needed

from

$781.99
Designed, tested and validated for assured compliance to meet CARB standards, Walker® CalCat® Universal Catalytic Converters are available for OBDII (1996 and newer) and non-OBD (1995 and older) vehicles.

Product Features:
  • CARB COMPLIANT — For use on OBDII vehicles, 1996 and newer and non-OBD 1995 and older. Legal for sale in CA, CO, NY & other states requiring CARB-compliant replacement converters. Consult your state’s aftermarket converter regulations.
  • SUPERIOR TECHNOLOGY — Optimal high technology washcoat formulated to deliver superior performance (as compared to EPA-compliant converters)
  • CONSISTENT PERFORMANCE — Utilizes a precise OE-style coating process to apply catalyst material to the substrate, providing consistent performance for assured emissions compliance
  • DURABLE — Features stainless-steel body with aluminized pipe and heat shields for durability
  • FLEXIBLE SOLUTION — Customizable design features expandable bushings for easy fitment and may require specialized fabrication and/or welding for installation
  • BUY WITH CONFIDENCE — Backed by Walker’s 50,000-mile/80,000-kilometer emissions and structural integrity warranty
See More

MagnaFlow – HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter (Part No.23466)

HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter

from

$545.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 23466. 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 to fit the 1995-1999 Chevrolet Camaro and 1995-1999 Pontiac Firebird. 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 Federal/EPA Emission systems.

Product Features:
  • 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.
  • Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
See More

Walker – Catalytic Converter- EPA Ultra, Universal/ Fabrication Needed (Part No.93303)

Catalytic Converter- EPA Ultra, Universal/ Fabrication Needed

from

$447.99
Designed to comply with EPA emissions requirements while delivering premium performance and durability with assured compliance, Walker® Ultra® Universal Catalytic Converters are available for import and domestic OBDII (1996 and newer) vehicles.

Product Features:
  • EPA COMPLIANT — For use on OBDII vehicles, 1996 and newer. Not legal for sale or use in CA, CO & NY. Legal in ME on EPA Federal Emission Equipped Vehicles only. Consult your state’s aftermarket converter regulations for details.
  • KEEPS CHECK ENGINE LIGHT OFF FOR EMISSIONS CODES — OE-style high-technology washcoat and optimal precious metal load delivers required reduction in tailpipe emissions to match vehicle application
  • DURABLE — Features stainless-steel body with aluminized pipe and heat shields for durability
  • FLEXIBLE SOLUTION — Customizable design features expandable bushings for easy fitment and may require specialized fabrication and/or welding for installation
  • OE-STYLE DESIGN — Features aluminized heat shields when originally equipped, to match OE design, protecting the undercarriage from heat created by the converter
  • BUY WITH CONFIDENCE — Backed by Walker’s 25,000-mile/40,000-kilometer emissions and 5-year 50,000-mile/80,000-kilometer structural integrity warranty. Visit Walkerexhaust.com for details.
See More

MagnaFlow – Standard Grade Federal / EPA Compliant Universal Catalytic Converter (Part No.91005)

Standard Grade Federal / EPA Compliant Universal Catalytic Converter

from

$143.99
MagnaFlow Standard Grade Federal/EPA Compliant Universal Catalytic Converter 91005 helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design (cutting and welding is required). With highly corrosion resistant, stainless steel construction, you can have confidence in the quality of this catalytic converter. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for pre-OBDII Federally registered vehicles.

Product Features:
  • Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off.
  • Compact, lightweight construction enables installation in confined areas, welding is required.
  • Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
See More

MagnaFlow – Standard Grade Federal / EPA Compliant Universal Catalytic Converter (Part No.94005)

Standard Grade Federal / EPA Compliant Universal Catalytic Converter

from

$169.99
MagnaFlow Standard Grade Federal/EPA Compliant Universal Catalytic Converter 94005 helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design (cutting and welding is required). With highly corrosion resistant, stainless steel construction, you can have confidence in the quality of this catalytic converter. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for pre-OBDII Federally registered vehicles.

Product Features:
  • Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off.
  • Compact, lightweight construction enables installation in confined areas, welding is required.
  • Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
See More

MagnaFlow – HM Grade Federal / EPA Compliant Universal Catalytic Converter (Part No.99175HM)

HM Grade Federal / EPA Compliant Universal Catalytic Converter

from

$172.99
MagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99175HM helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design (cutting and welding is required). With highly corrosion resistant, stainless steel construction, you can have confidence in the quality of this catalytic converter. 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 Federal/EPA Emission systems.

Product Features:
  • Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off.
  • Compact, lightweight construction enables installation in confined areas, welding is required.
  • Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
See More

MagnaFlow – Standard Grade Federal / EPA Compliant Direct-Fit Catalytic Converter (Part No.93427)

Standard Grade Federal / EPA Compliant Direct-Fit Catalytic Converter

from

$268.99
MagnaFlow Standard Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 93427 helps keep the check engine light off. DIY installation is easy with the proper tools (no cutting or welding required). With features including mandrel-bent tubing to eliminate flow restrictions and stainless steel construction to resist corrosion, you can have confidence in the quality of this catalytic converter. Using state-of-the-art 3D scanning systems in the design process, the MagnaFlow metrology department ensures this new part to fit and function like the original equipment. This direct-fit catalytic converter is designed to fit the 1975-1979 Chevrolet Nova, 1975 Chevrolet Corvette, and additional vehicles. Avoid potential exhaust leaks by using the included gaskets to get a proper seal. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for pre-OBDII Federally registered vehicles.

Product Features:
  • 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.
  • Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
See More

Walker – Catalytic Converter- EPA Standard, Direct Replacement, No Fabrication Needed (Part No.15032)

Catalytic Converter- EPA Standard, Direct Replacement, No Fabrication Needed

from

$171.99
Designed to provide the required reduction in tailpipe emissions and meet EPA emissions requirements with assured compliance, Walker® Universal Catalytic Converters are available for pre-OBDII (1995 and older) vehicles.

Product Features:
  • EPA COMPLIANT — For use on pre-OBDII vehicles, 1995 and older. Not legal for sale or use in CA, CO and NY. Legal in ME on all pre-OBD vehicles only. Consult your state’s aftermarket converter regulations for details.
  • NO BREAK IN REQUIRED — Ready to operate with application-specific converter shell design and mat compression, no converter break in required after installation
  • DURABLE — Features stainless-steel body with aluminized pipe and heat shields for durability
  • FLEXIBLE SOLUTION — Customizable design features expandable bushings for easy fitment and may require specialized fabrication and/or welding for installation
  • OE-STYLE DESIGN — Features aluminized heat shields when originally equipped, to match OE design, protecting the undercarriage from heat created by the converter
  • BUY WITH CONFIDENCE — Backed by Walker’s 25,000-mile/40,000-kilometer emissions and 5-year 50,000-mile/80,000-kilometer structural integrity warranty. Visit Walkerexhaust.com for details.
See More

MagnaFlow – Standard Grade Federal / EPA Compliant Universal Catalytic Converter (Part No.94009)

Standard Grade Federal / EPA Compliant Universal Catalytic Converter

from

$119.99
MagnaFlow Standard Grade Federal/EPA Compliant Universal Catalytic Converter 94009 helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design (cutting and welding is required). With highly corrosion resistant, stainless steel construction, you can have confidence in the quality of this catalytic converter. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for pre-OBDII Federally registered vehicles.

Product Features:
  • Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off.
  • Compact, lightweight construction enables installation in confined areas, welding is required.
  • Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
See More

MagnaFlow – OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter (Part No.51090)

OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter

from

$527.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 51090. 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 to fit the 2000-2002 Chevrolet Camaro and 2000-2002 Pontiac Firebird. 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.

Product Features:
  • 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.
  • Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
See More

Walker – Donut Exhaust Pipe Flange Gasket: Graphite, Heat Resistant, Premium Materials (Part No.31511)

Donut Exhaust Pipe Flange Gasket: Graphite, Heat Resistant, Premium Materials

from

$18.99
Complete your exhaust repair with Walker┬« gaskets and flanges. Available in a variety of styles and sizes, they’re designed to work with OE exhaust components and Walker aftermarket replacement parts.

Product Features:
  • AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizesfora quality vehicle repair
  • HEAT RESISTANT — Designed to resist heat for long-lasting performance
  • PREMIUM MATERIALS — Made from high-quality materials for durability and long life
  • ENGINEERING EXPERTISE — Parts are reviewed and validated and approved by Walker engineers through rigorous research and development
  • REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
  • EASIER TO INSTALL — Featuring slotted bolt holes (where applicable) for easy installation, gasket slips into place
  • BETTER TOGETHER — Use premium Walker-½ accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
See More

Walker – Donut Exhaust Pipe Flange Gasket: Graphoil, Heat Resistant, Premium Materials (Part No.31533)

Donut Exhaust Pipe Flange Gasket: Graphoil, Heat Resistant, Premium Materials

from

$21.49
Complete your exhaust repair with Walker┬« gaskets and flanges. Available in a variety of styles and sizes, they’re designed to work with OE exhaust components and Walker aftermarket replacement parts.

Product Features:
  • AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizesfora quality vehicle repair
  • HEAT RESISTANT — Designed to resist heat for long-lasting performance
  • PREMIUM MATERIALS — Made from high-quality materials for durability and long life
  • ENGINEERING EXPERTISE — Parts are reviewed and validated and approved by Walker engineers through rigorous research and development
  • REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
  • EASIER TO INSTALL — Featuring slotted bolt holes (where applicable) for easy installation, gasket slips into place
  • BETTER TOGETHER — Use premium Walker-½ accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
See More

Walker – Donut Exhaust Pipe Flange Gasket: Iron, Heat Resistant, Premium Materials (Part No.31550)

Donut Exhaust Pipe Flange Gasket: Iron, Heat Resistant, Premium Materials

from

$15.99
Complete your exhaust repair with Walker┬« gaskets and flanges. Available in a variety of styles and sizes, they’re designed to work with OE exhaust components and Walker aftermarket replacement parts.

Product Features:
  • AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizesfora quality vehicle repair
  • HEAT RESISTANT — Designed to resist heat for long-lasting performance
  • PREMIUM MATERIALS — Made from high-quality materials for durability and long life
  • ENGINEERING EXPERTISE — Parts are reviewed and validated and approved by Walker engineers through rigorous research and development
  • REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
  • EASIER TO INSTALL — Featuring slotted bolt holes (where applicable) for easy installation, gasket slips into place
  • BETTER TOGETHER — Use premium Walker-½ accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
See More

1991 Pontiac Firebird Catalytic Converters

Maybe you’re in the middle of a full rebuild of that 1991 Pontiac Firebird. Maybe you just need a couple of Catalytic Converters. Either way, Advance Auto Parts has 13 different Catalytic Converters in our inventory ranging from $21.49 to $819.99. That means you can find the exact parts or products you need to keep that 1991 Pontiac Firebird running smoothly.

Catalytic Converters are only as good as their brand. We stock 2 different brands to make sure you have plenty of trusted parts to choose from for your 1991 Pontiac Firebird. Walker and Magnaflow are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Catalytic Converters for your 1991 Pontiac Firebird, but don’t take our word for it – read our customer ratings and reviews and buy with confidence.

So if you’re in the market for aftermarket Catalytic Converters to keep your 1991 Pontiac Firebird rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Catalytic Converters Brands To Make Your 1991 Pontiac Firebird Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1991 Pontiac Firebird demands trusted brand parts and products to keep it running. Many trusted brands of Catalytic Converters make up Advance Auto Parts’ inventory, and all are ready to help make your Firebird the best it can be. Be sure to browse some of our top Catalytic Converters brands and parts.

Top 1991 Pontiac Firebird Catalytic Converters from Walker

Walker products are another trusted brand when it comes to Catalytic Converters for your 1991 Pontiac Firebird. Popular Walker parts include:

FAQs for 1991 Pontiac Firebird Catalytic Converters

What are the most purchased Catalytic Converters for the 1991 Pontiac Firebird?

Out of 13 Catalytic Converters for the 1991 Pontiac Firebird, the most popular in our inventory are:
Catalytic Converter- EPA Standard, Direct Replacement, No Fabrication Needed
from $348.99
This product is not rated
Catalytic Converter- EPA Standard, Direct Replacement, No Fabrication Needed
Catalytic Converters
CalCat Catalytic Converter- CARB Certified, Universal / Fabrication Needed
from $465.99
This product is not rated
CalCat Catalytic Converter- CARB Certified, Universal / Fabrication Needed
Catalytic Converters
Standard Grade Federal / EPA Compliant Universal Catalytic Converter
from $126.99
This product is not rated
Standard Grade Federal / EPA Compliant Universal Catalytic Converter
Catalytic Converters