Magnaflow Direct-Fit Catalytic Converter

2000 Dodge Durango

4451280

Overview:

The Magnaflow California Grade Direct-Fit Catalytic Converter is engineered specifically for the 2000 Dodge Durango, providing a reliable replacement that ensures your vehicle remains emissions-compliant while maintaining optimal performance. Designed to meet or exceed California Air Resource Board (CARB) standards, this catalytic converter helps keep your check engine light off by effectively reducing harmful exhaust emissions. Ideal for Durango owners seeking a high-quality, direct-fit solution without the hassle of modifications, this converter offers peace of mind and long-lasting durability.

Whether you are repairing a faulty OEM catalytic converter or upgrading to a CARB-compliant part, Magnaflow’s precision manufacturing guarantees a perfect fit and function that matches original equipment specifications.

Key Features:

This direct-fit catalytic converter combines advanced engineering with durable materials to deliver dependable emissions control and easy installation. Key features include:

• CARB-compliant design certified for use in California and other CARB-restricted states
• Direct-fit replacement for 2000 Dodge Durango with no cutting or welding required
• Mandrel-bent tubing for unrestricted exhaust flow and improved performance
• Highly corrosion-resistant stainless steel construction for extended service life
• Spun body design replicating original equipment for precise fitment
• Single laser fusion weld to minimize leak potential and enhance durability
• Compact, low-mass design for improved thermal efficiency and quicker light-off
• Interchanges with OEM part numbers 5210 3374AC and 5210 3374AE
• Developed using advanced 3D scanning technology to ensure exact fit and function

Construction & Design:

Magnaflow’s catalytic converter features a robust stainless steel body that resists rust and corrosion, ensuring longevity even under harsh driving conditions. The spun body construction mirrors the original equipment design, providing a seamless fit within the factory exhaust system. Mandrel-bent tubing maintains smooth exhaust flow, reducing backpressure and supporting engine efficiency. The single laser fusion weld enhances structural integrity and prevents leaks, while the compact design promotes faster catalytic converter light-off, improving emissions control during cold starts.

Installation & Fitment:

This catalytic converter is designed for a direct bolt-on installation on the 2000 Dodge Durango, requiring no cutting, welding, or additional modifications. With proper tools and basic mechanical knowledge, you can replace your existing converter quickly and confidently. The precise fitment ensures alignment with factory exhaust flanges and mounting points, simplifying the installation process and minimizing downtime.

What's Included:

• Magnaflow California Grade Direct-Fit Catalytic Converter (Part #4451280)
• Pre-installed gaskets and hardware are not included and may be required for installation

Ideal For:

This catalytic converter is ideal for 2000 Dodge Durango owners who need a reliable, CARB-compliant replacement part that maintains factory emissions standards. It suits drivers looking to restore proper emissions function, pass state inspections, or replace a damaged or failing catalytic converter without compromising vehicle performance.

Emissions Note

This product is certified to meet or exceed California Air Resource Board (CARB) requirements and has undergone additional testing to ensure compliance with CARB guidelines. It is legal for use in California and other CARB-restricted states on the specified vehicle application. Installing this catalytic converter helps maintain your vehicle’s emissions compliance and avoids check engine light issues related to catalytic converter faults.

MagnaFlow is a performance exhaust manufacturer best known for cat‑back and axle‑back systems, mufflers, and catalytic converters engineered for quality sound and improved flow. Their vehicle-specific exhaust options span muscle, import, and truck applications—making MagnaFlow a staple upgrade when you want a deeper tone, cleaner fitment, and a proven performance-focused exhaust setup.