Introduction
This manual provides essential information for the proper installation, operation, and maintenance of your MagnaFlow 51214 Direct Fit Catalytic Converter, Model 280447. Please read this manual thoroughly before beginning any procedures to ensure safe and effective use.
For additional information or support, please refer to the official MagnaFlow website or contact customer service.
Product Overview

Image: MagnaFlow 51214 Direct Fit Catalytic Converter, Model 280447. This image displays the complete catalytic converter assembly, featuring the main catalytic chamber and the exhaust manifold with six ports for engine connection.
The MagnaFlow 51214 Direct Fit Catalytic Converter, Model 280447, is designed for specific vehicle applications to ensure compliance with emissions regulations and optimal exhaust flow. It is constructed from durable materials to withstand high temperatures and corrosive exhaust gases.
What's in the Box:
- MagnaFlow Exhaust Products 280447 NEW (1 unit)
Setup and Installation
Installation of the MagnaFlow 51214 Direct Fit Catalytic Converter should be performed by a qualified technician. Improper installation can lead to damage to the product or vehicle, and may void the warranty.
Required Tools (Not Included):
- Vehicle lift or jack stands
- Socket/wrench set
- Torque wrench
- Penetrating oil (optional, for rusted bolts)
- Safety glasses and gloves
Installation Steps:
- Ensure the vehicle is cool and safely secured on a lift or jack stands.
- Locate the existing catalytic converter and exhaust manifold.
- Disconnect any oxygen sensors from the existing unit.
- Carefully unbolt and remove the old catalytic converter assembly. Note the orientation of all components.
- Clean mating surfaces on the engine and exhaust system.
- Position the new MagnaFlow 280447 catalytic converter, ensuring proper alignment with the exhaust manifold ports and the downstream exhaust pipe.
- Securely bolt the new unit into place. Refer to your vehicle's service manual for specific torque specifications.
- Reconnect all oxygen sensors. Ensure wiring is not pinched or stretched.
- Inspect all connections for leaks.
- Lower the vehicle and start the engine to check for proper operation and exhaust leaks.
Important: Always follow vehicle manufacturer's guidelines for exhaust system work.
Operating Considerations
Once installed, the MagnaFlow catalytic converter operates automatically as part of your vehicle's exhaust system. No specific user interaction is required for its operation.
Ensure your vehicle's engine is properly tuned and maintained. Malfunctions in the engine or fuel system can lead to premature failure of the catalytic converter.
Maintenance
The MagnaFlow 51214 Direct Fit Catalytic Converter is designed to be maintenance-free under normal operating conditions. However, regular vehicle maintenance is crucial for its longevity.
Recommendations:
- Perform regular engine tune-ups as recommended by your vehicle manufacturer.
- Address any engine misfires, excessive oil consumption, or rich/lean fuel conditions promptly. These can damage the catalytic converter.
- Inspect the exhaust system periodically for leaks, cracks, or damage.
Troubleshooting
If you experience issues after installing the catalytic converter, consider the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Check Engine Light (P0420/P0430) | Inefficient catalytic converter, exhaust leak, faulty oxygen sensor, engine misfire. | Verify proper installation, check for exhaust leaks, inspect oxygen sensors, diagnose engine performance issues. |
| Rattling Noise from Exhaust | Loose heat shield, internal substrate damage (rare for new unit). | Check and secure heat shields. If noise persists and is internal, consult a professional. |
| Reduced Engine Performance | Restricted exhaust flow (clogged converter), other engine issues. | Ensure proper installation. Diagnose other potential engine or fuel system problems. |
If troubleshooting steps do not resolve the issue, it is recommended to consult a certified automotive technician.
Specifications
| Attribute | Detail |
|---|---|
| Brand | MagnaFlow |
| Model Number | 280447 |
| Manufacturer Part Number | 280447 |
| ASIN | B0CL7RVM3C |
| Item Weight | 1 pounds |
| Package Dimensions | 7 x 5 x 2 inches |
| Product Type | Direct Fit Catalytic Converter |
Warranty Information
MagnaFlow products typically come with a limited warranty covering defects in materials and workmanship. Specific warranty terms and conditions, including duration and coverage details, can vary by product and region.
For the most accurate and up-to-date warranty information, please refer to the official MagnaFlow website or the warranty card included with your product. Retain your proof of purchase for warranty claims.
Note: Damage due to improper installation, misuse, or vehicle modifications not approved by MagnaFlow may void the warranty.
Customer Support
For technical assistance, installation questions, or warranty inquiries, please contact MagnaFlow customer support.
- Website: www.magnaflow.com (Check for official contact details)
- Phone: Refer to the MagnaFlow website for regional contact numbers.
When contacting support, please have your product model number (280447) and proof of purchase readily available.





