Dorman 674-750 Catalytic Converter with Integrated Exhaust Manifold

Dorman 674-750 Catalytic Converter Manifold

Dorman 674-750 is a catalytic converter with integrated exhaust manifold built for specific Acura and Honda applications. It follows the original equipment layout for a direct replacement on select 2012-2014 Acura ILX and 2012-2013 Honda Civic models.

Key Features

• Integrated exhaust manifold and catalytic converter design
• Stainless steel converter body for exhaust durability
• Flanged outlet for OE-style connection
• Rectangle inlet port shape with one inlet and one outlet
• One sensor port and one air tube count
• Natural finish with regular-grade construction
• Outlet mounting hardware included

Application Details

This manifold converter is engineered to match the original equipment configuration on select Acura ILX and Honda Civic vehicles. It is a direct-fit exhaust replacement for 2013-2014 Acura ILX, 2012-2013 Honda Civic, and 2012 Honda Civic applications, with fitment confirmed for the listed model years and no CARB certification.

This part cross-references Walker Exhaust 16678 for the same application.

What It Helps Address

• Cracked or leaking exhaust manifold assemblies
• Restricted catalytic converter flow from internal deterioration
• Exhaust leaks at the manifold-to-pipe connection
• Check engine light concerns related to converter efficiency or sensor placement
• Failed emissions inspection caused by a damaged manifold converter

Installation Notes

Verify the inlet and outlet flange pattern, sensor port location, and vehicle year before installation. This unit uses a flanged outlet and includes outlet mounting hardware, while inlet hardware and outlet gasket are not included. Confirm all mating surfaces are clean and inspect nearby exhaust components for wear before final assembly.

Quality Assurance

Dorman manufactures this manifold converter as a precision-engineered OE-style replacement for the listed Acura and Honda applications. The stainless steel body and application-specific design support consistent fitment on the confirmed vehicles.