Walker 16436 Catalytic Converter - Rear

Direct-Fit EPA Catalytic Converter

Walker EPA 16436 is a direct-fit catalytic converter for specific rear exhaust applications on the 2008-2013 Honda Accord and 2009-2013 Acura TSX, plus the 2014 Acura TSX. It is built with a stainless steel body and ceramic substrate for a direct replacement that matches the original exhaust layout.

Walker Ultra Direct-Fit Catalytic Converters are part of the EPA-focused Walker EPA line, developed for import and domestic OBDII vehicles from 1996 and newer. This part number, 16436, is designed for a specific fit and uses welded flange connections to simplify alignment with the factory exhaust system.

Key Features

• Direct-fit catalytic converter for rear exhaust placement
• Stainless steel body with ceramic substrate material
• 3-bolt welded flange inlet and outlet connections
• Inlet diameter: 2.250 in. outside diameter
• Outlet diameter: 2.125 in. outside diameter
• Round body shape with an overall length of 10.125 in.
• EPA-compliant design for federal-emissions applications
• Specific fitment for select Honda Accord and Acura TSX models

Detailed Description

Walker 16436 is an EPA catalytic converter engineered for direct replacement on rear exhaust positions where the factory unit has failed or reached the end of service life. The stainless steel housing helps resist exhaust heat and corrosion, while the ceramic substrate supports emissions control performance in the intended application. For shoppers searching for a 2008-2012 Honda Accord rear catalytic converter or a 2009-2013 Acura TSX rear catalytic converter, this part number provides a vehicle-specific solution with factory-style flange connections.

This part cross-references AP Exhaust 642118 for the same application.

What It Helps Address

• Check engine light caused by catalyst efficiency faults
• Failed emissions inspection tied to a worn rear converter
• Exhaust leaks at the converter flange connection
• Restricted exhaust flow from a deteriorated substrate
• Replacement needs after corrosion or internal breakdown

Installation Notes and Tips

• Fits 2014 Acura TSX, rear.
• Fits 2009-2013 Acura TSX, rear. Fits Fed. & Calif. Emission Models; not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only.
• Fits 2008-2012 Honda Accord, rear. Fits Fed. & Calif. Emission Models; not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only.
• Exhaust gasket is recommended for installation.
• Additional parts needed to complete installation: 31644 and 31589.
• No oxygen sensor port location is provided on this converter.

Quality Assurance

Walker EPA 16436 is built to comply with EPA standards for the listed applications and is intended for OBDII vehicles. The Walker Ultra Direct-Fit line is positioned for premium performance in a direct-fit format, with application-specific engineering for the vehicles shown above.