MagnaFlow Direct-Fit Catalytic Converter 5551252 for 2011 Chevy Silverado/GMC Sierra 2500 HD

The MagnaFlow Direct-Fit Catalytic Converter 5551252 is engineered to maintain optimal emissions control while ensuring your vehicle operates smoothly. Crafted from high-quality stainless steel, this converter features mandrel-bent tubing that promotes efficient exhaust flow, enhancing overall performance without compromising durability. The design mirrors the original equipment specifications, which guarantees a seamless fit and function, eliminating the need for cutting or welding during installation.

Key Specifications

• Material: Stainless Steel
• Overall Length: 66.875 inches
• Body Height: 4 inches
• Body Width: 4 inches
• Body Length: 10.75 inches
• Body Type: Spun
• Body Shape: Round
• Main Piping Diameter: 3 inches
• Inlet Diameter: 3 inches
• Outlet Diameter: 3 inches
• Inlet Quantity: 2
• Outlet Quantity: 1
• Sensor Port Count: 4
• Type: Direct-Fit
• Finish: Stainless Steel
• Clamp Included: Yes
• Mounting Hardware Included: Yes

Performance and Compliance

This catalytic converter is specifically designed to fit the following vehicles:

• 2011 Chevrolet Silverado 2500 HD
• 2011 Chevrolet Silverado 3500 HD
• 2011 GMC Sierra 2500 HD

It meets or exceeds the California Air Resource Board (CARB) standards, ensuring compliance for use in California and other CARB-restricted states. The single laser fusion weld design minimizes the risk of leaks, while the compact structure enhances thermal efficiency.

Installation Notes

Installation is straightforward, thanks to the included hardware. No additional hangers or gaskets are provided, so ensure you have the necessary tools for a smooth installation process.