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. except Sport Exhaust 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
without Air Tube 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)
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
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)
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. Dual Exhaust, Chrome Tip Applications Federal and 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)
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
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 During Installation
Cutting and Welding Required During Installation
Not legal for sale or installation in California, Colorado or New York.
Not legal for use in California Illegal for installation in NY on vehicles equipped with California emission systems
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.
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. (Use w/ OE Center Pipe) Cut O.E. extension pipe as necessary for installation. Direct fit converter may require resizing, cutting or bushing. Dual Exhaust, Chrome Tip Applications Federal and California Emissions
Undercar; Single Outlet 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.
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)
Executive Order # D-665-17 Eng. Fam.: YGMXV04.6065 CARB FTB STD: TIER1 Legal Note: In Compliance with the state of CA NY (vehicles with CA Emissions) Emissions Requirements
770 Series Large Oval Body Engine Family Number (EFN) TGM4.6VJGFEL 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
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
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 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)
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)
Not legal for sale or installation in California, Colorado or New York.
CARB Executive Order D-193-142 Engine Family Number (EFN) 4GMXV04.6065
CARB Executive Order D-193-142 Engine Family Number (EFN) 4GMXV04.6065 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-193-139 Engine Family Number (EFN) TGM4.6VJGFEL 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) TGM4.6VJGFEL
CARB Executive Order D-193-139 Engine Family Number (EFN) YGMXV04.6065 Engine Family Number (EFN) YGMXV04.6066 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) YGMXV04.6065 Engine Family Number (EFN) YGMXV04.6066
Browse our selection of quality catalytic converter parts designed specifically for your Cadillac DeVille. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
Base · Cabriolet · Concours · DHS · DTS · Phaeton · Protection Series · Spring Edition · Touring · d'Elegance
Cab & Chassis · Coupe · Hearse · Limousine · Sedan
V6 4.1L · V6 4.3L · V8 4.1L · V8 4.5L · V8 4.6L · V8 4.9L · V8 5.7L · V8 6.0L · V8 7.0L
Automatic
