Direct Fit Discontinued ; Not for sale or use on vehicles licensed in the states of CA, CO, ME, and NY. Restrictions may apply in other states. Check with your state authority for details. California Emissions
Universal Fit; Pre-OBDII Standard Duty Unit Not for sale or use on vehicles licensed in the states of CA, CO, ME, and NY. Restrictions may apply in other states. Check with your state authority for details. Federal and California Emissions
Universal Fit; Pre-OBDII Standard Duty Unit Not for sale or use on vehicles licensed in the states of CA, CO, ME, and NY. Restrictions may apply in other states. Check with your state authority for details. Federal and California Emissions
with Federal/California Emissions System Not legal for sale or use in California and other CARB-compliant states. Legal in Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details. Standard Universal Type Modifications and/or Additional Parts May Be Required for Installation
with Federal/California Emissions System Not legal for sale or use in California and other CARB-compliant states. Legal in Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details. Standard Universal Type Modifications and/or Additional Parts May Be Required for Installation
Undercar; With TBI Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions)
Undercar Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions)
Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions)
Cutting and Welding Required
Cutting and Welding Required
Not legal for sale or installation in California, Colorado or New York. Cutting and Welding Required
Cutting and Welding Required Not legal for sale or installation in California, Colorado or New York.
California Emissions Equipped Vehicles Registered Outside Of California Cutting and Welding Required During Installation
Cutting and Welding Required Not legal for sale or installation in California, Colorado or New York.
Cutting and Welding Required
Cutting and Welding Required
Cutting and Welding Required Not legal for sale or installation in California, Colorado or New York.
Not legal for sale or installation in California, Colorado or New York. Cutting and Welding Required
Cutting and Welding Required
Cutting and Welding Required
Not legal for sale or installation in California, Colorado or New York. Cutting and Welding Required
Cutting and Welding Required
Not legal for sale or installation in California, Colorado or New York. Cutting and Welding Required
Not legal for sale or installation in California, Colorado or New York. Cutting and Welding Required
Cutting and Welding Required
Undercar Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions)
Undercar Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions)
Undercar Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions)
with Dual Catalytic Converters Not legal for sale or installation in California, Colorado or New York. Cutting and Welding Required
with Dual Catalytic Converters Cutting and Welding Required
Undercar Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions)
with Federal/California Emissions System Not legal for sale or use in California and other CARB-compliant states. Legal in Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details. Ultra Universal Type Modifications and/or Additional Parts May Be Required for Installation
Undercar Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions)
Undercar Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions)
with California Emissions System Not legal for sale or installation in California, Colorado or New York.
Undercar Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions)
with California Emissions System
Cutting and Welding Required
Undercar Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions)
Not legal for sale or installation in California, Colorado or New York. Cutting and Welding Required
Not legal for sale or installation in California, Colorado or New York.
Cutting and Welding Required
Not legal for sale or installation in California, Colorado or New York. Cutting and Welding Required
Cutting and Welding Required
Not legal for sale or installation in California, Colorado or New York.
Not legal for sale or installation in California, Colorado or New York. Cutting and Welding Required
CARB Executive Order D-193-139 Engine Family Number (EFN) WGMXV05.7082 Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
Cutting and Welding Required
CARB Executive Order D-193-139 Engine Family Number (EFN) WGMXV05.7082
Cutting and Welding Required Not legal for sale or installation in California, Colorado or New York.
CARB Executive Order D-193-139 Engine Family Number (EFN) TGM5.7V8GFEK
Not legal for sale or installation in California, Colorado or New York. Cutting and Welding Required
CARB Executive Order D-193-139 Engine Family Number (EFN) TGM5.7V8GFEK Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
Cutting and Welding Required
CARB Executive Order D-193-112 Engine Family Number (EFN) TGM5.7V8GFEK Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-112 Engine Family Number (EFN) TGM5.7V8GFEK Cutting and Welding Required
Not legal for sale or installation in California, Colorado or New York.
Not legal for sale or installation in California, Colorado or New York.
CARB Executive Order D-193-119 Engine Family Number (EFN) TGM5.7V8GFEK Cutting and Welding Required
CARB Executive Order D-193-119 Engine Family Number (EFN) TGM5.7V8GFEK Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-150 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-150 Cutting and Welding Required
Not legal for sale or installation in California, Colorado or New York.
Not legal for sale or installation in California, Colorado or New York.
CARB Executive Order D-193-113 Engine Family Number (EFN) TGM5.7V8GFEK Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-113 Engine Family Number (EFN) TGM5.7V8GFEK Cutting and Welding Required
CARB Executive Order D-193-113 Engine Family Number (EFN) WGMXV05.7082 Cutting and Welding Required
CARB Executive Order D-193-113 Engine Family Number (EFN) WGMXV05.7082 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-139 Engine Family Number (EFN) YGMXV05.7083
CARB Executive Order D-193-139 Engine Family Number (EFN) YGMXV05.7083 Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-139 Engine Family Number (EFN) WGMXV05.7082
CARB Executive Order D-193-139 Engine Family Number (EFN) WGMXV05.7082 Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-139 Engine Family Number (EFN) TGM5.7V8GFEK
Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions)
with Federal/California Emissions System Not legal for sale or use in California and other CARB-compliant states. Legal in Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details. Standard Universal Type Modifications and/or Additional Parts May Be Required for Installation
Undercar Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions)
Not legal for sale or installation in California, Colorado or New York.
Cutting and Welding Required
Cutting and Welding Required Not legal for sale or installation in California, Colorado or New York.
Cutting and Welding Required
Not legal for sale or installation in California, Colorado or New York. Cutting and Welding Required
Undercar Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions)
Not legal for sale or installation in California, Colorado or New York.
Not legal for sale or installation in California, Colorado or New York.
Not legal for sale or installation in California, Colorado or New York.
Not legal for sale or installation in California, Colorado or New York.
with Federal/California Emissions System Not legal for sale or use in California and other CARB-compliant states. Legal in Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details. Ultra Universal Type Modifications and/or Additional Parts May Be Required for Installation
Not legal for sale or installation in California, Colorado or New York.
Federal Emissions; Undercar Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions)
Not legal for sale or installation in California, Colorado or New York.
Not legal for sale or installation in California, Colorado or New York.
Not legal for sale or installation in California, Colorado or New York.
Federal Emissions; Undercar Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions)
Not legal for use in California Illegal for installation in NY on vehicles equipped with California emission systems Federal Emissions
Not legal for sale or installation in California, Colorado or New York.
CARB Executive Order D-193-119 Engine Family Number (EFN) TGM3.8V8GKEK Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-119 Engine Family Number (EFN) TGM3.8V8GKEK Cutting and Welding Required
Not legal for sale or installation in California, Colorado or New York.
Not legal for sale or installation in California, Colorado or New York.
Not legal for sale or installation in California, Colorado or New York.
CARB Executive Order D-193-150 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-150 Cutting and Welding Required
CARB Executive Order D-193-150 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-150 Cutting and Welding Required
CARB Executive Order D-193-150 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-150 Cutting and Welding Required
770 Series Large Oval Body Engine Family Number (EFN) TGM5.7V8GFEK CARB Executive Order D-798-10 ; Universal Fit - CARB Legal Note: In Compliance with CARB Emissions Requirements 2.5 in Inlet ID; 2.5 in Outlet ID; w/O2 Fitting ALL
CARB Executive Order D-182-57 Engine Family Number (EFN) XGMXV03.8048 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation
CARB Executive Order D-193-150 Cutting and Welding Required
CARB Executive Order D-193-150 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-150 Cutting and Welding Required
CARB Executive Order D-193-150 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-150 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-150 Cutting and Welding Required
CARB Executive Order D-193-150 Cutting and Welding Required
CARB Executive Order D-193-150 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
with Dual Catalytic Converters
with Dual Catalytic Converters Not legal for sale or installation in California, Colorado or New York.
CARB Executive Order D-193-150 Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-150
CARB Executive Order D-193-150
CARB Executive Order D-193-150 Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-150
CARB Executive Order D-193-150 Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-150
CARB Executive Order D-193-150 Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
770 Series Engine Family Number (EFN) 1GMXV03.8043 CARB Executive Order D-798-10 ; Direct Fit - CARB
CARB Executive Order D-193-150
CARB Executive Order D-193-150 Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-150
CARB Executive Order D-193-150 Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-139 Engine Family Number (EFN) S1G3.8V8G1EK Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-139 Engine Family Number (EFN) S1G3.8V8G1EK
CARB Executive Order D-193-139 Engine Family Number (EFN) YGMXV03.8043
CARB Executive Order D-193-139 Engine Family Number (EFN) YGMXV03.8043 Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
with Dual Catalytic Converters CARB Executive Order D-193-150
with Dual Catalytic Converters CARB Executive Order D-193-150 Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
Browse our selection of quality catalytic converter parts designed specifically for your Pontiac Firebird. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
Base · Esprit · Formula · S/E · Trans Am · Trans Am GT · Trans Am GTA · Trans Am GTA SE
Convertible · Coupe
L4 2.5L · L6 4.1L · V6 2.8L · V6 3.1L · V6 3.4L · V6 3.8L · V8 4.3L · V8 4.4L · V8 4.9L · V8 5.0L · V8 5.7L · V8 6.6L · V8 7.5L
Automatic · Manual