Walker 55711 Catalytic Converter

Walker Ultra Direct-Fit Catalytic Converter for Corolla

Walker EPA line catalytic converters are built for direct-fit replacement on OBDII vehicles, with a specific-fit design that matches the factory exhaust layout. This Walker 55711 is made for the 2014-2019 Toyota Corolla and is engineered for Federal emissions applications, including California-emission vehicles where federal EPA parts are used outside CARB-restricted sales rules.

Key Features

• Direct-fit catalytic converter for the 2014-2019 Toyota Corolla
• EPA-compliant design for Federal emissions applications
• Specific-fit construction with 2-bolt welded flange inlet
• Pipe connection outlet with 2-inch outside diameter
• Stainless steel body with ceramic substrate material
• Post-catalyst oxygen sensor location
• Round body shape with a 57.375-inch overall length
• Compatible with Federal and California emission models, subject to state regulations

Detailed Description

The Walker 55711 catalytic converter is a direct-fit exhaust replacement for the Toyota Corolla, designed to restore proper exhaust flow and emissions control on 2014-2019 models. It uses a stainless steel body and ceramic substrate for a factory-style fit and function, with a 2-bolt welded flange inlet and pipe connection outlet for installation in the original exhaust path. This part number 55711 is part of Walker’s EPA line and is intended for OBDII-equipped vehicles, making it a practical choice for a Toyota Corolla catalytic converter replacement when the original converter is worn, damaged, or no longer performing as required.

Walker Ultra Direct-Fit Catalytic Converters are positioned for premium replacement performance while maintaining EPA standards. For this application, the converter is listed for the 2014-2019 Toyota Corolla and requires use with intermediate pipe part number 73005. Part number 55711 also cross-references Carlson 41214 for the same application.

What It Helps Address

• Check engine light concerns related to catalyst efficiency
• Failed emissions inspection results on a Toyota Corolla
• Restricted exhaust flow from a deteriorated converter
• Exhaust leaks at the converter connection points
• Noise or odor issues caused by a damaged catalytic converter

Installation Notes and Tips

Fits 2014-2019 Toyota Corolla, N/A. Use with part number 73005 intermediate pipe. Exhaust gasket is recommended, and additional part 31379 is listed as needed to complete installation. This Walker 55711 catalytic converter uses a specific-fit layout, so confirm the exhaust configuration before installation and verify local emissions requirements before purchase. The listing notes Federal and California emission model coverage, but it is not legal for sale or use in California and other CARB-compliant states; it is legal in New York and Maine on EPA Federal Emission Equipped Vehicles only.

Quality Assurance

Walker EPA catalytic converters are built to meet EPA standards for Federal emissions applications and are designed for direct-fit replacement on import and domestic OBDII vehicles. The stainless steel construction and ceramic substrate support consistent exhaust system service life in the intended application.