MagnaFlow 4561221 Catalytic Converter

Direct-Fit CARB Catalytic Converter

MagnaFlow catalytic converter 4561221 is a direct-fit, California-grade replacement built for specific applications. It uses stainless steel construction, a ceramic substrate, and bolt-on inlet and outlet connections for a straightforward exhaust repair.

Fits 2006 Chevrolet Impala, N/A. Fits 2006 Chevrolet Monte Carlo, N/A. Fits 2006 Pontiac Grand Prix, N/A. Fits 2005 Pontiac Grand Prix, N/A.

Key Features

• Direct-fit design for specific vehicle applications
• Stainless steel tube and body construction
• Ceramic substrate for emissions control
• Bolt-on inlet and outlet connections
• Post-converter oxygen sensor location
• CARB-compliant design for listed vehicles

Detailed Description

MagnaFlow 4561221 is engineered as a California OBDII direct-fit catalytic converter for the listed Chevrolet Impala, Chevrolet Monte Carlo, and Pontiac Grand Prix applications. The spun-body style, mandrel-bent tubing, and single laser fusion weld are used to support a leak-resistant exhaust seal and OE-style fitment, while the compact low-mass construction helps promote thermal efficiency. MagnaFlow’s 3D scanning-based development process is used to match original equipment geometry more closely, and the part is built to meet CARB requirements for the covered vehicles.

This part cross-references no listed interchange numbers. For buyers searching for a 2006 Chevrolet Impala catalytic converter, 2006 Chevrolet Monte Carlo catalytic converter, or 2005 Pontiac Grand Prix catalytic converter, part number 4561221 identifies the correct direct-fit configuration for the specified emissions application.

What It Helps Solve

• Check engine light concerns related to catalyst efficiency
• Exhaust leaks at the converter connection points
• Failed emissions inspection on covered applications
• Corrosion-related replacement needs in the exhaust system
• Fitment issues from non-direct replacement converters

Installation Notes and Tips

Install with the proper tools and follow the vehicle-specific exhaust service procedure. This converter uses bolt-on connections and is intended for direct replacement on the listed applications, with gaskets included for sealing. Verify emissions certification and engine family details before installation, and confirm the oxygen sensor location matches the vehicle configuration.

Quality Assurance

MagnaFlow 4561221 is built to meet or exceed California Air Resources Board requirements for the listed vehicles and has been tested for CARB compliance in California and CARB-restricted states.