Walker 82904 Catalytic Converter

Walker CalCat 82904 Catalytic Converter

Walker CalCat 82904 is a universal catalytic converter built for CARB-compliant replacement use on select 2000-2002 Buick Regal, Chevrolet Impala, Chevrolet Monte Carlo, and Pontiac Grand Prix applications. It uses a stainless steel body with a ceramic substrate and 2.5-inch pipe connections for a direct exhaust-system connection where the vehicle and installation setup match the listed requirements.

Key Features

• Walker CalCat universal catalytic converter for CARB-regulated replacement applications
• CARB certified for legal sale and use in California and other states that require CARB-compliant converters
• Stainless steel body with ceramic substrate for exhaust system service
• Round body shape with 2.5-inch inlet and outlet pipe connections
• Overall length: 17.5 inches; body length: 13 inches
• Designed for OBDII and non-OBD vehicles, depending on application requirements
• Part number 82904 for catalog and fitment lookup

Product Details

The Walker CalCat product line is focused on CARB-compliant universal catalytic converters for regulated replacement work. Part number 82904 is designed, tested, and validated to meet CARB standards, making it a practical choice for emissions-related exhaust repairs where compliance matters. This converter uses a round stainless steel shell, ceramic substrate material, and pipe connection inlet and outlet ends with no oxygen sensor port location.

Compatible With 2000-2002 Buick Regal, 2000-2002 Chevrolet Impala, 2000-2002 Chevrolet Monte Carlo, and 2000-2002 Pontiac Grand Prix applications listed under CARB Executive Order D-182-67. The part number 82904 is also referenced for 2001 and 2002 model-year vehicles in the same family of applications, including Buick Regal, Chevrolet Impala, Chevrolet Monte Carlo, and Pontiac Grand Prix.

What It Helps Address

• Failed or restricted catalytic converter emissions testing
• Check engine light concerns tied to exhaust aftertreatment performance
• Replacement needs for CARB-regulated exhaust systems
• Corrosion-related converter housing damage
• Exhaust flow issues caused by a worn or damaged converter

Installation Notes

• Universal fitment means modifications and/or additional parts may be required for installation.
• Verify inlet and outlet sizing at 2.5 inches before ordering.
• Confirm the vehicle’s emissions requirements and CARB compliance rules for your state.
• Check the listed engine family number and Executive Order details against the vehicle application.
• No mounting hardware is listed as included.

Quality Assurance

Walker CalCat converters are designed, tested, and validated for CARB compliance. Part number 82904 is certified under California Air Resources Board requirements and is listed for legal sale and use in California and other CARB-regulated states when the vehicle application matches the approved fitment.