Walker 84371 Catalytic Converter with Integrated Exhaust Manifold - Front

Overview of Walker CalCat Catalytic Converter 84371

The Walker CalCat Catalytic Converter with Integrated Exhaust Manifold (part number 84371) is designed for select Nissan vehicles, including the Altima and Rogue models from 2007 to 2013. This catalytic converter meets California Air Resources Board (CARB) standards, ensuring compliance with emissions regulations.

• CARB certified catalytic converter with Executive Order D-182-73
• Integrated exhaust manifold design for streamlined installation
• Stainless steel converter body with ceramic substrate
• Converter body length of 4 inches and overall length of 20.32 inches
• 5 bolt welded flange inlet and 3 bolt welded flange outlet
• Compatible with Nissan Altima and Rogue models (2007-2013)
• Round body shape with oval inlet port and round outlet port

Walker CalCat Product Line Details

The CalCat line by Walker focuses on catalytic converters that combine durability and emissions compliance. This product line integrates the exhaust manifold with the catalytic converter body, reducing installation complexity and potential leak points. The use of stainless steel and ceramic substrate materials in the CalCat series supports long-term performance and regulatory adherence, making it suitable for vehicles requiring CARB-certified parts.

Product Features and Specifications

This catalytic converter features a 4-inch converter body length and an overall length of 20.32 inches, constructed from stainless steel for corrosion resistance. The ceramic substrate inside facilitates effective catalytic reactions to reduce harmful emissions. The inlet uses a 5 bolt welded flange with an oval port shape, while the outlet has a 3 bolt welded flange with a round port shape. The body dimensions are approximately 4.02 inches in height and width, with a round body shape that fits the exhaust system layout of Nissan Altima and Rogue models from 2007 through 2013.

Applications and Common Issues Addressed

• Replacement for failing or clogged catalytic converters on Nissan Altima and Rogue (2007-2013)
• Restores proper exhaust flow and emissions control
• Helps resolve check engine light issues related to catalytic converter efficiency
• Addresses exhaust leaks caused by damaged or cracked manifolds
• Ensures compliance with California emissions standards for applicable vehicles

Installation Notes and Tips

Installation requires proper alignment of the 5 bolt welded flange inlet and 3 bolt welded flange outlet to the vehicle’s exhaust system. Ensure all mating surfaces are clean and free of debris before installation. This part does not include mounting hardware, so reuse existing bolts or acquire appropriate fasteners. Professional installation is recommended to maintain emissions compliance and avoid exhaust leaks.

Quality Assurance and Warranty

The Walker CalCat catalytic converter 84371 is CARB certified under Executive Order D-182-73, guaranteeing it meets strict emissions standards. Constructed with stainless steel and a ceramic substrate, it is designed for durability and long service life. Warranty details should be confirmed with the product documentation or manufacturer.