MagnaFlow 4481354 Catalytic Converter - Left or Right

MagnaFlow 4481354 California OBDII Catalytic Converter

The MagnaFlow 2in. Universal California OBDII Catalytic Converter, part number 4481354, is built for select California-emissions applications that require a weld-on replacement with OE-style dimensions. It is designed for 2-inch inlet and outlet exhaust systems and uses a ceramic substrate inside a stainless steel body for dependable exhaust flow and emissions control.

Compatible With select Audi A6 Quattro, Acura CL and TL, Honda Accord, and Volkswagen Golf and Jetta applications listed below, this converter is engineered for vehicles that need California OBDII compliance and a midbed oxygen sensor location. MagnaFlow’s converter line is built to original equipment specifications to help keep the Check Engine Light off when installed on the correct application.

Key Features

• Universal California OBDII catalytic converter for select emissions-controlled applications
• 2-inch inlet and 2-inch outlet with straight, weld-on connections
• Stainless steel body and tubing for corrosion resistance
• Ceramic substrate for exhaust aftertreatment performance
• Round, spun body design with midbed oxygen sensor location
• OE-spec construction for listed California-certified vehicles
• MagnaFlow part number 4481354

Product Details

This MagnaFlow 2in. Universal California OBDII Catalytic Converter is intended for direct exhaust fabrication on approved applications where cutting and welding are required during installation. The compact 11.25-inch overall length and 5-inch round body dimensions make it suitable for custom exhaust work while maintaining the emissions equipment layout specified for the listed Audi, Acura, Honda, and Volkswagen vehicles. The stainless steel finish and body material support long-term durability in undercar conditions.

Part number 4481354 is listed for 1997-2006 vehicles including 2005-2006 Audi A6 Quattro, 1997-2003 Acura CL, 1999-2003 Acura TL, 1998-2002 Honda Accord, and 2002-2005 Volkswagen Golf and Jetta applications shown in the fitment data.

Common Issues This Part Can Address

• Failed catalytic converter emissions testing
• Check Engine Light related to catalyst efficiency
• Damaged or rusted factory converter housing
• Exhaust restriction from a deteriorated substrate
• Need for a California OBDII-compliant replacement on listed vehicles

Installation Notes and Tips

• Cutting and welding are required during installation.
• Verify the vehicle’s engine family number, certification level, and oxygen sensor configuration before ordering.
• Use the midbed oxygen sensor location specified in the fitment notes where applicable.
• Confirm 2-inch inlet and outlet sizing matches the exhaust system before fabrication.
• Professional installation is recommended for emissions-related exhaust work.

Quality Assurance

MagnaFlow specializes in catalytic converter and exhaust technology, and this converter is built to OE specifications for the listed California OBDII applications. The design focus is emissions compliance and proper fitment for approved vehicles such as Audi A6 Quattro, Acura CL/TL, Honda Accord, and Volkswagen Golf/Jetta applications.