MagnaFlow 441304 Catalytic Converter

California-Compliant Universal Catalytic Converter

MagnaFlow 441304 is a 2 in. universal California OBDII catalytic converter built for vehicles that require CARB-compliant emissions control. Its weld-on, universal design gives installers flexibility for a range of applications, while the stainless steel body and ceramic substrate support long-term durability and emissions performance.

This MagnaFlow California Grade converter is listed for select Hyundai Sonata, Kia Optima, Mercedes-Benz C32 AMG, and other rear-position applications across model years 1995-2005. It is designed for legal use in California and other CARB-restricted states on the listed vehicles.

Key Features

• CARB-compliant California Grade catalytic converter for OBDII-equipped vehicles
• Universal fit design with 2 in. inlet and outlet, weld-on attachment
• Stainless steel body and tube construction for corrosion resistance
• Ceramic substrate for emissions conversion performance
• Oval clam shell body with attached heat shield
• Fits rear, rear left, rear right, left center, and right center positions depending on application
• MagnaFlow part number 441304 for fitment-based search and ordering

Product Details

MagnaFlow’s 2in. Universal California OBDII Catalytic Converter line is built for applications where CARB compliance matters and a direct-bolt replacement is not always available. Part number 441304 uses a universal, weld-on layout with straight 2 in. inlet and outlet connections, making it suitable for custom exhaust work and emissions repairs on listed vehicles. The stainless steel finish, aluminized steel heat shield, and ceramic substrate are selected to handle exhaust heat and resist corrosion in daily driving conditions.

For fitment-based searches, this converter is listed for rear-position applications on vehicles such as 2005 Hyundai Sonata, 2004 Kia Optima, 2003 Mercedes-Benz C320, and 1999 Mitsubishi Galant. It is also listed for multiple Mercedes-Benz, Chevrolet Tracker, Suzuki Vitara, and Kia Sportage applications across the 1995-2005 model years.

What It Helps Address

• Check engine light concerns related to catalytic converter efficiency codes
• Failed emissions inspection results on CARB-regulated vehicles
• Corrosion-related converter replacement needs
• Exhaust system repair where a weld-in universal converter is required
• Rear catalytic converter replacement on listed Hyundai, Kia, Mercedes-Benz, and Mitsubishi applications

Installation Notes

• Cutting and welding are required during installation.
• Mounting hardware, gaskets, clamps, hangers, and oxygen sensor provisions are not included unless shown in the product data.
• Verify the listed year, make, model, position, and engine family before installation.
• Use this converter only on the specific vehicles and positions shown in the fitment data for CARB legality.

Quality Assurance

MagnaFlow 441304 is engineered to meet or exceed California Air Resources Board requirements and has undergone additional CARB guideline testing for legal use on the listed applications in California and other CARB-restricted states. This part cross-references applications commonly searched under MagnaFlow 441304 for the same rear converter use cases.