Walker 83268 Catalytic Converter - Rear

Walker CalCat Direct-Fit Catalytic Converter

Walker CalCat Part Number 83268 is a direct-fit catalytic converter built for rear exhaust replacement on select 2008-2009 Chevrolet Malibu, Pontiac G6, and Saturn Aura applications. It is CARB certified and engineered for an OE-style fit, making it a practical choice for California and other states that require CARB-compliant replacement converters.

Key Features

• Direct-fit catalytic converter for specific rear-position applications
• CARB certified for use in California and other CARB-regulated states
• Stainless steel body with a ceramic substrate
• Standard oval body shape with a 2-bolt welded flange inlet
• Pipe connection outlet with 2.5-inch outside diameter
• Designed and validated for OBDII and non-OBD vehicle coverage within the CalCat line
• OE-style fit for easier exhaust system alignment

Product Line Details

Walker CalCat is Walker’s CARB-compliant catalytic converter line for direct replacement needs. It is built for vehicles that require emissions-focused exhaust service and is positioned for precise fitment on approved applications, including 2008-2009 Chevrolet Malibu, Pontiac G6, and Saturn Aura rear converter locations.

Detailed Description

Part Number 83268 is a regular-grade catalytic converter with a stainless steel body, ceramic substrate, and standard oval housing dimensions. The converter measures 12.5 inches overall, with a 4-inch body height, 8.5-inch body length, and 6-inch body width. It uses a 2-bolt welded flange inlet and a pipe connection outlet, and it does not include an oxygen sensor port location. This Walker CalCat converter is designed for specific rear exhaust fitment on the 2008 and 2009 Chevrolet Malibu, Pontiac G6, and Saturn Aura, including CARB Executive Order D-182-63 coverage noted in the fitment data.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Address

• Failed or inefficient rear catalytic converter on CARB-regulated vehicles
• Check engine light concerns related to catalyst efficiency
• Emissions test failures caused by a worn converter
• Exhaust restriction from a deteriorated substrate
• Replacement needs for a welded rear converter assembly

Installation Notes and Tips

• Fits 2008 Chevrolet Malibu, rear; 2009 Chevrolet Malibu, rear
• Fits 2008 Pontiac G6, rear; 2009 Pontiac G6, rear
• Fits 2008 Saturn Aura, rear; 2009 Saturn Aura, rear
• Additional part(s) needed to complete installation: 31574, per fitment notes
• If the assembly is welded, replace all required related parts during service
• Verify engine family number and CARB Executive Order details before installation

Quality Assurance

Walker CalCat converters are designed, tested, and validated to meet CARB standards on approved applications. Part Number 83268 is built for direct replacement use where CARB compliance and OE-style fit are required.