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 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. 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
Not legal for use in California Illegal for installation in NY on vehicles equipped with California emission systems
Universal Fit; Select+Plus 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
Not legal for use in California Illegal for installation in NY on vehicles equipped with California emission systems
Direct Fit
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. Federal and California Emissions
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)
Cutting and Welding Required
Not legal for sale or installation in California, Colorado or New York. Cutting and Welding Required
CARB Executive Order D-182-62 Engine Family Number (EFN) 9HNXV02.44B9 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
Firewall Side 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 RADIATOR SIDE PRECAT
with Federal/California Emissions System Exhaust Gasket is Recommended Additional part(s) needed to complete installation - 31733 and 31377 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
Radiator Side; Precat Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions)
771 Series Engine Family Number (EFN) AHNXV03.5QB9 CARB Executive Order D-798-9 ; Direct Fit - CARB Legal Note: In Compliance with CARB Emissions Requirements ALL
Not legal for sale or installation in California, Colorado or New York. Cutting and Welding Required
Cutting and Welding Required
Manifold Converter Legal Note: Not For Sale or Use in the state of CA & 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)
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.
Not legal for sale or installation in California, Colorado or New York.
772 Series Engine Family Number (EFN) 9HNXV02.44B9 CARB Executive Order D-798-9 ; Direct Fit - CARB Legal Note: In Compliance with CARB Emissions Requirements ALL
Not legal for sale or installation in California, Colorado or New York.
CARB Executive Order D-193-175 Engine Family Number (EFN) AHNXV03.5QB9 Cutting and Welding Required Original Equipment (OE) Specifications Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
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. Federal and California Emissions
CARB Executive Order D-193-137 Engine Family Number (EFN) 9HNXV02.44B9 Cutting and Welding Required
CARB Executive Order D-193-175 Engine Family Number (EFN) 9HNXV02.44B9 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
771 Series Engine Family Number (EFN) 9HNXV02.44B9 CARB Executive Order D-798-9 ; Direct Fit - CARB Legal Note: In Compliance with CARB Emissions Requirements ALL
CARB Executive Order D-193-175 Engine Family Number (EFN) AHNXV03.5QB9 Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-182-62 Engine Family Number (EFN) 9HNXV02.44B9 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. Additional Part(s) Needed To Complete Installation: 31556 Includes Front Gasket Direct Fit Type
770 Series 4 in Round Body Engine Family Number (EFN) 5HNXV02.4KBP CARB Executive Order D-798-10 ; Universal Fit - CARB Legal Note: In Compliance with CARB Emissions Requirements 2.25 in Inlet ID; 2.25 in Outlet ID; w/O2 Fitting ALL
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-193-140 Engine Family Number (EFN) 4HNXV02.4AKC Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-140 Engine Family Number (EFN) 4HNXV02.4AKC Cutting and Welding Required
CARB Executive Order D-193-140 Engine Family Number (EFN) 4HNXV02.4AKC
CARB Executive Order D-193-140 Engine Family Number (EFN) 4HNXV02.4AKC 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 Acura TSX. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
A-Spec · Base · Premium · Special Edition · Tech · V6 · V6 Tech
Sedan · Wagon
L4 2.4L · V6 3.5L
Automatic · Manual
