Walker 50584 Catalytic Converter - Rear

Walker EPA Direct-Fit Catalytic Converter

Walker EPA 50584 is a direct-fit catalytic converter built for OBDII vehicles and engineered to meet EPA standards. It is a fitment-based replacement for select Cadillac XTS and Chevrolet Impala applications, with welded flange connections for a secure exhaust interface.

Key Features

• Direct-fit design for straightforward exhaust replacement
• EPA-compliant construction for approved federal-emissions applications
• Round steel body for durable exhaust service
• Welded flange inlet and outlet connections
• Walker Ultra Direct-Fit product line for import and domestic OBDII vehicles

Detailed Description

Walker 50584 is a rear catalytic converter for 2013-2019 Cadillac XTS and 2014-2016 Chevrolet Impala applications. The round steel body measures 8.0 inches long with an overall length of 55.35 inches, and the dual-inlet, dual-outlet welded flange layout supports a direct-fit exhaust replacement. This part cross-references 22935119 for the same application.

The Walker EPA line focuses on emissions-compliant replacement parts for 1996-and-newer OBDII vehicles. For buyers searching for a Cadillac XTS rear catalytic converter or a Chevrolet Impala rear catalytic converter, this part number 50584 provides a fitment-specific option for federal-emissions vehicles.

What It Is Used For

• Replacing a worn or failed catalytic converter
• Restoring exhaust flow after converter restriction
• Addressing emissions-related fault codes tied to converter efficiency
• Servicing direct-fit exhaust systems with welded flange connections
• Supporting EPA-compliant replacement on listed applications

Installation Notes and Tips

Fits 2013-2019 Cadillac XTS, rear. Fits 2014-2016 Chevrolet Impala, rear. Exhaust gasket is recommended, and additional parts are listed for installation completion in the fitment notes. Verify federal-emissions application details before installation, since this part is not legal for sale or use in California and other CARB-compliant states.

Quality Assurance

Walker Ultra Direct-Fit catalytic converters are positioned for premium performance while meeting EPA compliance requirements on approved applications. Part number 50584 is built for fitment-specific replacement use on listed OBDII vehicles.