Magnaflow Direct Fit CARB Catalytic Converter

Fits Most Dodge/Jeep 5.7L/3.6L (12-17)

Part #: 5551584

Overview

The Magnaflow Direct Fit CARB Catalytic Converter 5551584 is engineered to provide a reliable, high-quality replacement for the factory catalytic converter on select Dodge Durango and Jeep Grand Cherokee models equipped with the 5.7L HEMI engine and rear-wheel drive. Designed to maintain optimal emissions control, this converter helps keep your vehicle compliant with emissions regulations while preventing check engine light issues related to catalytic converter failure.

Ideal for owners seeking a direct replacement that meets or exceeds California Air Resources Board (CARB) standards, this converter offers a seamless fit and dependable performance without the need for modifications.

Key Features

Magnaflow’s Direct Fit CARB Catalytic Converter combines advanced engineering with durable materials to ensure long-lasting operation and emissions compliance. Key features include:

• California Grade CARB compliant for legal use in California and CARB-restricted states
• Direct-fit design replicates original equipment for precise fitment and function
• Mandrel-bent tubing promotes unrestricted exhaust flow for improved efficiency
• Highly corrosion-resistant stainless steel construction for enhanced durability
• Single laser fusion weld minimizes leak potential and strengthens the assembly
• Compact, low-mass design improves thermal efficiency and catalytic performance
• Manufactured using advanced 3D scanning technology to ensure exact OEM specifications
• Includes a flange ring for straightforward installation

Construction & Design

This catalytic converter is crafted from premium stainless steel to resist rust and corrosion, ensuring longevity even under harsh driving conditions. The mandrel-bent tubing maintains a smooth internal diameter, reducing exhaust restrictions and promoting better flow compared to conventional converters. The single laser fusion weld technique used in assembly provides a strong, leak-resistant bond that replicates the original equipment’s integrity.

Magnaflow’s use of state-of-the-art 3D scanning during development guarantees that the converter matches the exact dimensions and contours of the factory part, allowing for a seamless, direct replacement without the need for cutting or welding.

Installation & Fitment

The Magnaflow Direct Fit Catalytic Converter is designed for a straightforward installation process on 2012–2017 Dodge Durango and 2013–2017 Jeep Grand Cherokee models with the 5.7L HEMI engine and rear-wheel drive. No cutting, welding, or additional modifications are required when using the proper tools, making it an ideal choice for DIY enthusiasts and professional mechanics alike.

Its direct-fit design ensures that it installs in the exact location of the original converter, maintaining factory exhaust geometry and sensor placement for optimal vehicle operation.

What's Included

• One Magnaflow Direct Fit CARB Catalytic Converter (Part #5551584)
• One flange ring for installation

Ideal For

This catalytic converter is perfect for owners of Dodge Durango and Jeep Grand Cherokee vehicles with the 5.7L HEMI engine who require a reliable, emissions-compliant replacement part. It suits those looking to maintain factory emissions standards, avoid check engine light issues, and ensure smooth exhaust flow without the hassle of complex installation procedures.

Emissions Note

This product is California Air Resources Board (CARB) compliant and has undergone rigorous testing to meet or exceed CARB requirements. It is legal for use in California and other CARB-restricted states on the specified vehicle applications, ensuring your vehicle remains emissions legal after installation.

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.