MagnaFlow Direct Fit Catalytic Converter

2012–2017 Dodge Durango 5.7L Hemi, 2013–2017 Jeep Grand Cherokee 5.7L Hemi

Part #: 5551583

Overview

The MagnaFlow Direct Fit CARB Converter 5551583 is a premium replacement catalytic converter engineered specifically for the 2012–2017 Dodge Durango 5.7L Hemi and 2013–2017 Jeep Grand Cherokee 5.7L Hemi models. Designed to maintain optimal emissions control and keep your vehicle’s check engine light off, this converter offers a hassle-free solution for restoring your exhaust system’s performance and compliance. Ideal for owners seeking a reliable, direct-fit replacement that meets stringent California Air Resources Board (CARB) standards, this converter ensures your vehicle runs cleanly and efficiently.

Key Features

MagnaFlow’s Direct Fit Catalytic Converter combines advanced engineering with durable materials to deliver a high-quality replacement part. Key features include:

• CARB-compliant design certified for legal use in California and CARB-restricted states
• Precision 3D scanning technology ensures exact fit and function matching original equipment
• Mandrel-bent tubing for unrestricted exhaust flow and improved performance
• Highly corrosion-resistant stainless steel construction for long-lasting durability
• Single laser fusion weld minimizes leaks and enhances structural integrity
• Compact, low-mass design promotes greater thermal efficiency and quicker catalyst light-off
• Direct bolt-on installation with no cutting or welding required
• Includes flange ring gasket for a secure, leak-free seal

Construction & Design

Crafted from premium stainless steel, the MagnaFlow 5551583 catalytic converter is built to withstand harsh undercar conditions and resist corrosion over time. The mandrel-bent tubing maintains a smooth internal diameter, preventing flow restrictions that can reduce engine efficiency. Utilizing state-of-the-art 3D scanning and metrology during development, MagnaFlow replicates the original equipment’s exact dimensions and mounting points. The single laser fusion weld not only strengthens the assembly but also reduces the risk of exhaust leaks, ensuring reliable operation throughout the converter’s lifespan.

Installation & Fitment

This direct-fit catalytic converter is designed for straightforward installation on compatible Dodge Durango and Jeep Grand Cherokee models equipped with the 5.7L Hemi engine. The bolt-on design eliminates the need for cutting, welding, or modifying existing exhaust components, allowing experienced DIYers or professional technicians to install the part quickly using standard tools. The included flange ring gasket helps achieve a tight, leak-free connection, maintaining proper exhaust system integrity.

What's Included

• (1) MagnaFlow Direct Fit Catalytic Converter 5551583
• (1) Flange Ring Gasket

Ideal For

This catalytic converter is perfect for Dodge Durango and Jeep Grand Cherokee owners who need a reliable, CARB-compliant replacement part to restore emissions control and maintain vehicle performance. It suits those looking for a direct-fit solution that meets or exceeds OEM standards without the hassle of custom fabrication or exhaust modifications.

Emissions Note

MagnaFlow 5551583 is California Air Resources Board (CARB) compliant and has passed rigorous testing to meet or exceed CARB requirements. This ensures legal use in California and other CARB-restricted states for the specified vehicle applications, helping you stay within emissions regulations while maintaining optimal exhaust system function.

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.