MagnaFlow 454200 Catalytic Converter

California OBDII Direct-Fit Converter

MagnaFlow 454200 is a California Grade, CARB-compliant direct-fit catalytic converter for specific 2003-2004 Toyota Corolla and 2003-2004 Toyota Matrix applications. It is built for a bolt-on installation with no cutting or welding required, and it uses stainless steel construction with a ceramic substrate for OE-style exhaust function.

MagnaFlow’s Direct-Fit CALIFORNIA OBDII CONVERTERS line is engineered around vehicle-specific fitment and emissions compliance. For the listed Toyota Corolla and Toyota Matrix applications, the design follows the original spun-body layout and uses 3D scanning-based development to help ensure proper alignment and function.

Key Features

• Fits 2003-2004 Toyota Corolla, N/A
• Fits 2003-2004 Toyota Matrix, N/A
• California Grade CARB-compliant replacement for listed vehicles
• Direct-fit design with bolt-on inlet and clamp-on outlet
• Stainless steel body and tubing for corrosion resistance
• Ceramic substrate with post-converter oxygen sensor location
• Mandrel-bent tubing and OE-style spun body construction
• Includes mounting hardware for installation

Detailed Description

MagnaFlow 454200 is a direct-fit catalytic converter designed for the 2003-2004 Toyota Corolla and 2003-2004 Toyota Matrix with the specified California emissions applications. It interchanges with OE part numbers 17410-22500 and 17410-0D151, and also cross-references 17410-0D150 for the same application. The compact, low-mass design supports thermal efficiency, while the single laser fusion weld helps reduce the chance of exhaust leakage at the body seam.

This part is built to meet or exceed California Air Resources Board requirements for the listed vehicles and is approved for use in California and other CARB-restricted states where applicable. MagnaFlow part number 454200 is a direct replacement choice when you need a CARB-compliant catalytic converter for a 2003-2004 Toyota Corolla or 2003-2004 Toyota Matrix.

Common Problems This Part Can Address

• Check engine light caused by catalytic converter efficiency faults
• Exhaust leaks at the converter body or connection points
• Failed emissions inspection on the listed Toyota applications
• Corrosion-related deterioration of the original converter housing
• Fitment issues from using a non-direct replacement part

Installation Notes and Tips

• Use the included gaskets to help achieve a proper seal.
• Installation is bolt-on and does not require cutting or welding.
• Confirm the vehicle’s emissions label and engine family before ordering.
• Verify the OE interchange numbers and sensor port location during diagnosis.
• Follow factory torque procedures and inspect adjoining exhaust components before installation.

Quality Assurance

MagnaFlow uses 3D scanning and metrology-based development to validate fit and function against original equipment geometry. Part number 454200 is built for CARB compliance on the listed Toyota Corolla and Toyota Matrix applications and is designed to meet California emissions requirements for those vehicles.