MagnaFlow 447270 Catalytic Converter - Left

MagnaFlow Direct-Fit Catalytic Converter Overview

The MagnaFlow Direct-Fit CALIFORNIA OBDII CONVERTERS catalytic converter (part number 447270) is engineered specifically for Chevrolet and GMC heavy-duty trucks. Designed to meet California emissions standards, this converter provides a direct-fit solution for models including the Chevrolet Silverado 1500 HD, Silverado 2500, Sierra 1500 HD, Sierra 2500, Sierra 2500 HD, and Yukon XL 2500.

• Direct-fit design for specific Chevrolet and GMC models
• Stainless steel body and tube for corrosion resistance
• Ceramic substrate for efficient catalytic conversion
• Bolt-on inlet and clamp-on outlet for secure installation
• Heat shield made of aluminized steel attached for thermal protection
• Includes clamps and hangers for mounting
• Oxygen sensor located post converter for accurate emissions monitoring
• Overall length of 65.25 inches

About the Direct-Fit CALIFORNIA OBDII CONVERTERS Line

The Direct-Fit CALIFORNIA OBDII CONVERTERS product line by MagnaFlow is designed to comply with California’s strict emissions regulations while providing a precise fit for specific vehicle applications. This line ensures compatibility with onboard diagnostics (OBDII) systems, maintaining proper sensor function and emissions control. Part number 447270 is part of this line, tailored for heavy-duty Chevrolet and GMC trucks requiring California-compliant catalytic converters.

Product Details and Specifications

This catalytic converter features a stainless steel body and tube material, offering durability and resistance to rust and corrosion. The ceramic substrate inside facilitates effective conversion of harmful exhaust gases. The inlet is designed as a bolt-on type, while the outlet uses a clamp-on connection, simplifying installation and ensuring a secure fit. An aluminized steel heat shield is attached to protect surrounding components from excessive heat. The converter includes clamps and hangers but does not come with mounting hardware or outlet gaskets. The oxygen sensor is positioned post converter to maintain accurate emissions readings.

Applications and Problem Solving

• Replacement for faulty or damaged catalytic converters on Chevrolet Silverado 1500 HD and 2500 series trucks
• Restores proper emissions control for GMC Sierra 2500 HD and Yukon XL 2500
• Ensures compliance with California OBDII emissions standards
• Addresses check engine light issues related to catalytic converter failure
• Improves exhaust flow and reduces harmful emissions

Installation Notes and Tips

Part number 447270 is a direct-fit catalytic converter designed for specific Chevrolet and GMC heavy-duty truck models. Installation requires basic mechanical skills and appropriate tools for bolt-on and clamp-on connections. The included clamps and hangers facilitate mounting, but additional mounting hardware is not provided. Ensure the oxygen sensor is properly connected post converter to maintain OBDII system functionality. It is recommended to inspect surrounding exhaust components during installation for wear or damage.

Quality Assurance and Warranty

MagnaFlow catalytic converters are manufactured with high-quality stainless steel and ceramic substrates to meet emissions standards and provide long service life. This product is engineered to meet or exceed OEM specifications for fit and function. Warranty details should be confirmed with the manufacturer or authorized distributor.