MagnaFlow 447267 Catalytic Converter - Left

Direct-Fit CARB Catalytic Converter

MagnaFlow catalytic converter 447267 is a direct-fit replacement for select Chevrolet Express and GMC Savana applications. It is built for California-grade CARB compliance and uses stainless steel construction with mandrel-bent tubing for controlled exhaust flow.

Key Features

• Direct-fit design for specific vehicle applications
• Stainless steel body and tubing for corrosion resistance
• Ceramic substrate for exhaust aftertreatment performance
• Mandrel-bent tubing to reduce flow restriction
• Pre- and post-converter oxygen sensor locations
• Mounting hardware and hangers included
• CARB-compliant design for listed California and CARB-restricted applications

Product Details

This MagnaFlow 447267 catalytic converter is engineered to match original equipment fit and function using 3D scanning in the design process. It is a direct-fit exhaust replacement for 2003-2005 Chevrolet Express 2500, 2003-2005 Chevrolet Express 3500, 2003-2005 GMC Savana 2500, and 2003-2005 GMC Savana 3500 applications listed in the fitment data. The bolt-on inlet, clamp-on outlet, and included mounting hardware support a cleaner installation without cutting or welding. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Issues This Part Can Address

• Check engine light concerns related to catalytic converter efficiency
• Corrosion damage to the original exhaust converter assembly
• Leaking seals at worn factory connection points
• Restricted exhaust flow from a deteriorated converter
• Fitment problems caused by an incorrect replacement part

Installation Notes and Quality

Fits 2003-2005 Chevrolet Express 2500, left. Fits 2003-2005 Chevrolet Express 3500, left. Fits 2003-2005 GMC Savana 2500, left. Fits 2003-2005 GMC Savana 3500, left. Use the listed fitment notes to confirm the correct engine family and certification level before installation. The direct-fit layout is intended to simplify replacement on the Chevrolet Express and GMC Savana platform. MagnaFlow uses metrology and 3D scanning during development to help ensure the part matches original equipment dimensions and function.