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
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
Universal Fit; EPA OBDII By Design 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; EPA Enhanced OBDII By Design 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. 2.50 in Inlet ID; 2.50 in Outlet ID California Emissions
Universal Fit with 14.00 (in) 355.6 (mm) Overall Length ; EPA Enhanced OBDII By Design 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. California 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)
Universal Fit; EPA OBDII By Design 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. Ultra 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. Ultra 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. 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)
with Federal/California Emissions System Exhaust Gasket is Recommended 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 Direct Fit Type
California 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 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.
with California Emissions System 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. Cutting and Welding Required
Cutting and Welding Required
Cutting and Welding Required During Installation
Cutting and Welding Required During 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. Ultra Universal Type Modifications and/or Additional Parts May Be Required for Installation
Cutting and Welding Required During Installation
Not legal for sale or installation in California, Colorado or New York.
Cutting and Welding Required During Installation
Not legal for sale or installation in California, Colorado or New York.
91 Series Engine Family Number (EFN) YGMXT04.3188 CARB Executive Order D-280-101 ; Universal Fit - CARB Legal Note: In Compliance with CARB Emissions Requirements 2.5 in Inlet ID; 2.5 in Outlet ID; 16.5 in OAL ALL
CARB Executive Order D-193-112 Engine Family Number (EFN) TGM2.218GFEK Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
91 Series Engine Family Number (EFN) YGMXT04.3188 CARB Executive Order D-280-101 ; Universal Fit - CARB Legal Note: In Compliance with CARB Emissions Requirements 2.25 in Inlet ID; 2.25 in Outlet ID; Round Body; 16 in OAL ALL
CARB Executive Order D-193-112 Engine Family Number (EFN) TGM2.218GFEK Cutting and Welding Required
Not legal for sale or installation in California, Colorado or New York.
Undercar; 31" Overall Length Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions)
Direct Fit; 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
Undercar; California Emissions Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions)
Undercar; 25" Overall Length 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)
CARB Executive Order D-193-101 Engine Family Number (EFN) 4GMXT04.3187 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-103 Engine Family Number (EFN) WGMXT04.3185 Cutting and Welding Required
CARB Executive Order D-193-103 Engine Family Number (EFN) YGMXT04.3188 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-103 Engine Family Number (EFN) YGMXT04.3188 Cutting and Welding Required
CARB Executive Order D-193-103 Engine Family Number (EFN) WGMXT04.3185 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) TGM4.31PGFEK Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
Federal Emissions; Undercar Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions)
CARB Executive Order D-193-101 Engine Family Number (EFN) 4GMXT04.3187 Cutting and Welding Required
with Federal/California Emissions System Exhaust Gasket is Recommended 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 Direct Fit Type
CARB Executive Order D-193-119 Engine Family Number (EFN) TGM2.218GFEK Cutting and Welding Required
CARB Executive Order D-193-119 Engine Family Number (EFN) TGM2.218GFEK 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) TGM4.31PGFEK Cutting and Welding Required
CARB Executive Order D-193-103 Engine Family Number (EFN) WGMXT04.3185
CARB Executive Order D-193-103 Engine Family Number (EFN) WGMXT04.3185 Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-105 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-103 Engine Family Number (EFN) WGMXT04.3185 Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-103 Engine Family Number (EFN) WGMXT04.3185
Federal, 47-State Only, Not legal for sale in CA, NY or ME Direct Fit
Not legal for sale or installation in California, Colorado or New York.
CARB Executive Order D-193-101 Engine Family Number (EFN) 3GMXT04.3187 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
Not legal for sale or installation in California, Colorado or New York.
CARB Executive Order D-193-103 Engine Family Number (EFN) WGMXT04.3185 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-105 Cutting and Welding Required
CARB Executive Order D-193-105 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-105 Cutting and Welding Required
CARB Executive Order D-193-105 Cutting and Welding Required
CARB Executive Order D-193-105 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
Undercar; Single Converter System Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions)
with California Emissions System
with California Emissions System Not legal for sale or installation in California, Colorado or New York.
CARB Executive Order D-193-101 Engine Family Number (EFN) 3GMXT04.3187 Cutting and Welding Required
with California Emissions System
with California Emissions System Not legal for sale or installation in California, Colorado or New York.
CARB Executive Order D-193-103 Engine Family Number (EFN) WGMXT04.3185 Cutting and Welding Required
776 Series 4 in Round Body Engine Family Number (EFN) S3G4.329GFGJ CARB Executive Order D-798-15 ; Universal Fit - CARB Legal Note: In Compliance with CARB Emissions Requirements 2.5 in Inlet ID; 2.5 in Outlet ID ALL
Not legal for use in California Illegal for installation in NY on vehicles equipped with California emission systems Y Pipe w/ 2 Converters
776 Series 4 in Round Body Engine Family Number (EFN) WGMXT04.3184 CARB Executive Order D-798-15 ; Universal Fit - CARB Legal Note: In Compliance with CARB Emissions Requirements 2 in Inlet ID; 2 in Outlet ID; w/Midbed O2 Fitting ALL
with Federal Emissions System Not legal for sale or installation in California, Colorado or New York.
with Federal Emissions System
CARB Executive Order D-182-55 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-193-100 Engine Family Number (EFN) WGMXT04.3184 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-100 Engine Family Number (EFN) WGMXT04.3184 Cutting and Welding Required
770 Series 4 in Round Body Engine Family Number (EFN) WGMXT04.3182 CARB Executive Order D-798-10 ; Universal Fit - CARB Legal Note: In Compliance with CARB Emissions Requirements 2 in Inlet ID; 2 in Outlet ID; w/Midbed O2 Fitting
For Vehicles Originally Equipped with 2 Catalytic Converter(s) with California Emissions System
Not legal for sale or installation in California, Colorado or New York.
For Vehicles Originally Equipped with 1 Catalytic Converter(s) with Federal Emissions System
For Vehicles Originally Equipped with 1 Catalytic Converter(s) with Federal Emissions System Not legal for sale or installation in California, Colorado or New York.
770 Series Large Oval Body Engine Family Number (EFN) WGMXT04.3182 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
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) TGM4.31PGFEK 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) TGM4.31PGFEK Cutting and Welding Required
CARB Executive Order D-193-113 Engine Family Number (EFN) TGM2.218GFEK Cutting and Welding Required
CARB Executive Order D-193-113 Engine Family Number (EFN) TGM4.31PGFEK 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) TGM2.218GFEK 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) TGM4.31PGFEK 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-193-136 Engine Family Number (EFN) WGMXT04.3184 Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-136 Engine Family Number (EFN) WGMXT04.3184
CARB Executive Order D-193-132
CARB Executive Order D-193-132 Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-132; Certification Level : PRE-OBDII OE Spec Cutting and Welding Required During Installation
CARB Executive Order D-193-139 Engine Family Number (EFN) TGM2.218GFEK 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) TGM2.218GFEK
CARB Executive Order D-193-132
CARB Executive Order D-193-132 Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-132 Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-132
CARB Executive Order D-193-139 Engine Family Number (EFN) TGM4.31PGFEK
CARB Executive Order D-193-136 Engine Family Number (EFN) TGM4.32PGKEK
CARB Executive Order D-193-136 Engine Family Number (EFN) TGM4.32PGKEK Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-136 Engine Family Number (EFN) TGM4.32PGKEK
CARB Executive Order D-193-136 Engine Family Number (EFN) TGM4.32PGKEK Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-101 Engine Family Number (EFN) 3GMXT04.3187 Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-101 Engine Family Number (EFN) 3GMXT04.3187
CARB Executive Order D-193-101 Engine Family Number (EFN) 3GMXT04.3187 Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-101 Engine Family Number (EFN) 3GMXT04.3187
CARB Executive Order D-193-103 Engine Family Number (EFN) YGMXT04.3188 Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-103 Engine Family Number (EFN) YGMXT04.3188
CARB Executive Order D-193-103 Engine Family Number (EFN) YGMXT04.3188 Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-103 Engine Family Number (EFN) YGMXT04.3188
CARB Executive Order D-193-103 Engine Family Number (EFN) YGMXT04.3188 Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-103 Engine Family Number (EFN) YGMXT04.3188
Browse our selection of quality catalytic converter parts designed specifically for your GMC Sonoma. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
Base · GT · SL · SLE · SLS
Crew Cab Pickup · Extended Cab Pickup · Standard Cab Pickup
L4 2.2L · L4 2.5L · V6 2.8L · V6 4.3L
Automatic · Manual
