MagnaFlow 447256 Catalytic Converter - Rear, Rear Left or Rear Right

Overview of MagnaFlow 2.50in. Universal California OBDII Catalytic Converter

The MagnaFlow 2.50in. Universal California OBDII Catalytic Converter (Part Number 447256) is designed to meet California emissions standards while providing reliable exhaust flow for select Ford and Lincoln vehicles. This universal catalytic converter is engineered for durability and compatibility with multiple models including the Ford F-150 and Lincoln Aviator.

• Universal fit for various Ford and Lincoln models
• 2.50 inch inlet and outlet inside diameter
• Stainless steel tube and body construction for corrosion resistance
• Oval clam shell body shape with aluminized steel heat shield
• Ceramic substrate for effective emissions control
• Single inlet and outlet with one sensor port
• Weld-on inlet attachment for secure installation
• Overall length of 16 inches for versatile fitment

Product Line Details: 2.50in. Universal California OBDII Catalytic Converter

The MagnaFlow 2.50in. Universal California OBDII Catalytic Converter product line is designed to comply with California’s strict OBDII emissions requirements. This line focuses on universal fitment options that accommodate a range of vehicles while maintaining regulatory compliance. The 447256 model features a stainless steel clam shell body and an aluminized steel heat shield to protect against heat damage and extend service life.

Technical Description and Features

This catalytic converter features a durable stainless steel body and tubing, ensuring resistance to rust and corrosion in demanding exhaust environments. The oval clam shell design measures 12 inches in length, 5.5 inches in width, and 3.75 inches in height, providing a compact yet effective emissions control solution. The ceramic substrate inside the converter facilitates the conversion of harmful exhaust gases into less harmful emissions. The unit includes one sensor port compatible with OBDII systems, supporting accurate emissions monitoring. Both the inlet and outlet have a 2.5 inch inside diameter, making it suitable for exhaust systems requiring this size. The inlet is designed for weld-on attachment, allowing for a secure and permanent installation.

Compatible Vehicles and Applications

• Ford F-150
• Ford F-250
• Ford E-150 Econoline and Club Wagon
• Ford E-250 Econoline
• Ford Expedition
• Lincoln Aviator

This catalytic converter is ideal for replacing faulty or failing converters in these models, helping to restore proper emissions control and maintain compliance with California regulations.

Common Issues Addressed by This Catalytic Converter

• Check engine light triggered by catalytic converter failure
• Failed emissions tests due to inefficient catalytic conversion
• Reduced engine performance caused by clogged or damaged converter
• Excessive exhaust emissions impacting environmental compliance
• Noise or rattling from broken internal substrate

Installation Notes and Tips

Installation requires welding the inlet to the existing exhaust system, as mounting hardware and gaskets are not included. Ensure the sensor port aligns with the vehicle’s oxygen sensor location for proper OBDII functionality. It is recommended to inspect the exhaust system for leaks and damage before installation. Professional installation is advised to guarantee proper fitment and emissions compliance.

Quality Assurance and Warranty

MagnaFlow catalytic converters are manufactured to meet or exceed OEM standards for emissions control and durability. The stainless steel construction and aluminized steel heat shield contribute to long service life. Warranty details should be confirmed with the manufacturer or authorized distributor, as coverage may vary by region and application.