Walker 84148 Catalytic Converter with Integrated Exhaust Manifold - Front

Walker CalCat 84148 Catalytic Converter

Walker CalCat 84148 is a catalytic converter with an integrated exhaust manifold built for CARB-compliant replacement needs. It is designed for a precise OE-style fit and is validated for use on select Toyota, Scion, and Pontiac front applications from 2007-2013.

The Walker CalCat line focuses on CARB-certified replacement converters for both OBDII and non-OBD vehicles. For this application, the manifold-style design uses a stainless steel body, ceramic substrate, and welded flange connections to match the original exhaust layout more closely.

• CARB certified with Executive Order D-182-72
• Integrated exhaust manifold design for OE-style replacement
• Stainless steel converter body for durability
• Ceramic substrate material
• 5-bolt welded flange inlet and 2-bolt welded flange outlet
• Pre-catalyst oxygen sensor location
• Includes front gasket

Fitment Details

• Fits 2013 Toyota Matrix, front; CARB Executive Order D-182-72; Engine Family Number (EFN) DTYXV02.4BEB; legal for sale and use in California and other states requiring CARB-compliant replacement converters; exhaust gasket is recommended; additional part needed to complete installation: 31630; CalCat.
• Fits 2012 Toyota Matrix, front; CARB Executive Order D-182-72; Engine Family Number (EFN) CTYXV02.4BEB; legal for sale and use in California and other states requiring CARB-compliant replacement converters; exhaust gasket is recommended; additional part needed to complete installation: 31630; CalCat.
• Fits 2011 Toyota Matrix, front; CARB Executive Order D-182-72; Engine Family Number (EFN) BTYXV02.4BEB; legal for sale and use in California and other states requiring CARB-compliant replacement converters; exhaust gasket is recommended; additional part needed to complete installation: 31630; CalCat.
• Fits 2010 Pontiac Vibe, front; CARB Executive Order D-182-72; Engine Family Number (EFN) ANTXV02.4BEB; legal for sale and use in California and other states requiring CARB-compliant replacement converters; exhaust gasket is recommended; additional part needed to complete installation: 31630; CalCat.
• Fits 2010 Scion tC, front; CARB Executive Order D-182-72; Engine Family Number (EFN) ATYXV02.4BEB; legal for sale and use in California and other states requiring CARB-compliant replacement converters; exhaust gasket is recommended; additional part needed to complete installation: 31630; CalCat.
• Fits 2010 Toyota Corolla, front; CARB Executive Order D-182-72; Engine Family Number (EFN) ATYXV02.4BEB; legal for sale and use in California and other states requiring CARB-compliant replacement converters; exhaust gasket is recommended; additional part needed to complete installation: 31630; CalCat.
• Fits 2010 Toyota Matrix, front; CARB Executive Order D-182-72; Engine Family Number (EFN) ATYXV02.4BEB; legal for sale and use in California and other states requiring CARB-compliant replacement converters; exhaust gasket is recommended; additional part needed to complete installation: 31630; CalCat.
• Fits 2009 Pontiac Vibe, front; CARB Executive Order D-182-72; Engine Family Number (EFN) 9NTXV02.4BEB; legal for sale and use in California and other states requiring CARB-compliant replacement converters; exhaust gasket is recommended; additional part needed to complete installation: 31630; CalCat.
• Fits 2009 Scion tC, front; CARB Executive Order D-182-72; Engine Family Number (EFN) 9TYXV02.4BEB; legal for sale and use in California and other states requiring CARB-compliant replacement converters; exhaust gasket is recommended; additional part needed to complete installation: 31630; CalCat.
• Fits 2009 Toyota Corolla, front; CARB Executive Order D-182-72; Engine Family Number (EFN) 9TYXV02.4BEB; legal for sale and use in California and other states requiring CARB-compliant replacement converters; exhaust gasket is recommended; additional part needed to complete installation: 31630; CalCat.
• Fits 2009 Toyota Matrix, front; CARB Executive Order D-182-72; Engine Family Number (EFN) 9TYXV02.4BEB; legal for sale and use in California and other states requiring CARB-compliant replacement converters; exhaust gasket is recommended; additional part needed to complete installation: 31630; CalCat.
• Fits 2008 Scion tC, front; CARB Executive Order D-182-72; Engine Family Number (EFN) 8TYXV02.4BEB; legal for sale and use in California and other states requiring CARB-compliant replacement converters; exhaust gasket is recommended; additional part needed to complete installation: 31630; CalCat.
• Fits 2007 Scion tC, front; CARB Executive Order D-182-72; Engine Family Number (EFN) 7TYXV02.4BEA; legal for sale and use in California and other states requiring CARB-compliant replacement converters; exhaust gasket is recommended; additional part needed to complete installation: 31630; CalCat.

Common Repair Uses

• Replacement for a failed or restricted front catalytic converter
• Restores emissions-system function after catalyst efficiency faults
• Addresses exhaust leaks at the manifold-to-pipe connection
• Supports CARB-compliant repair requirements in regulated states
• Helps resolve check engine light concerns tied to catalyst performance

Installation Notes

Verify engine family number, flange style, and front-position fitment before installation. This application uses a 5-bolt welded flange inlet and 2-bolt welded flange outlet, and the listing notes that an exhaust gasket is recommended. The fitment data also calls for additional part 31630 to complete installation.

For search relevance, this part is commonly referenced as a Walker CalCat catalytic converter for Toyota Corolla, Toyota Matrix, Scion tC, and Pontiac Vibe front exhaust applications. Part number 84148 is the correct reference for this CARB-certified manifold converter.

Quality Assurance

Walker CalCat converters are designed, tested, and validated to meet CARB standards, with California Air Resources Board certification and Executive Order D-182-72 for the listed applications. The stainless steel construction and ceramic substrate are selected to support OE-style replacement performance and emissions compliance.