MagnaFlow 447281 Catalytic Converter - Right

California Grade Direct-Fit Converter

MagnaFlow 447281 is a California Grade, CARB-compliant direct-fit catalytic converter built for specific GM truck applications. It is engineered for a bolt-on replacement with stainless steel construction, ceramic substrate, and OE-style fitment for service on the right side.

Compatible With 2001-2006 Chevrolet Silverado 2500 HD, 2006 Chevrolet Silverado 1500 HD, and 2006 GMC Sierra 1500 right-side applications, this converter is designed to help keep the check engine light off when replacing a failed emissions component. MagnaFlow 447281 is part of the Direct-Fit CALIFORNIA OBDII CONVERTERS line, which focuses on vehicle-specific emissions replacements that follow OE-style packaging and installation requirements.

Key Features

• Direct-fit catalytic converter for specific GM truck applications
• CARB-compliant California Grade design for listed vehicles
• Stainless steel body and tubing for corrosion resistance
• Ceramic substrate construction
• Bolt-on inlet and clamp-on outlet design
• Pre- and post-converter oxygen sensor locations
• Mounting hardware and hangers included
• Two-converter assembly with OE-style spun body design

Detailed Description

This MagnaFlow catalytic converter uses a compact, low-mass OE-style layout with mandrel-bent stainless tubing and a single laser fusion weld to reduce leak points. The direct-fit design is intended to match original equipment packaging, and MagnaFlow’s 3D scanning-based development process helps support accurate fit and function on the listed Chevrolet Silverado and GMC Sierra applications. Part number 447281 is built for emissions repair where a CARB-approved replacement is required.

For buyers searching for a 2001-2006 Chevrolet Silverado 2500 HD catalytic converter right side, a 2006 Chevrolet Silverado 1500 HD catalytic converter right side, or a 2006 GMC Sierra 1500 catalytic converter right side, MagnaFlow 447281 provides a vehicle-specific replacement solution. This part cross-references no listed interchange numbers in the provided data.

Common Problems It Can Address

• Check engine light triggered by a failed catalytic converter
• Emissions test failure caused by converter efficiency issues
• Exhaust leaks at a worn or corroded converter assembly
• Fitment problems from damaged factory exhaust components
• Need for a CARB-compliant replacement on listed vehicles

Installation Notes and Tips

Installation is bolt-on and does not require cutting or welding when used on the listed applications. Use the included mounting hardware and hangers, and verify the right-side position, oxygen sensor locations, and vehicle certification details before installation. Replacing corroded factory fasteners and gaskets during service can help reduce sealing issues.

Quality Assurance

MagnaFlow develops this converter using 3D scanning and OE-style design replication to support fitment accuracy and leak resistance. Part number 447281 is tested to meet CARB guidelines for legal use in California and other CARB-restricted states on the listed vehicles.