Magnaflow CARB Direct-Fit Catalytic Converter

2015–2016 Ram 2500 6.4L 392

Part #: 5551513

Overview

The Magnaflow CARB Direct-Fit Catalytic Converter 5551513 is engineered to maintain your 2015–2016 Ram 2500 6.4L 392’s emissions compliance while ensuring optimal exhaust flow. Designed as a direct replacement for the original equipment, this catalytic converter helps keep your check engine light off by effectively reducing harmful emissions. Ideal for truck owners seeking a reliable, California Air Resources Board (CARB) compliant solution, this converter offers a hassle-free upgrade that meets or exceeds stringent environmental standards.

Whether you are restoring your vehicle’s emission system or replacing a faulty converter, Magnaflow’s precision manufacturing guarantees a perfect fit and dependable performance. This part is tailored specifically for the Ram 2500 6.4L models from 2015 to 2016, ensuring seamless integration without the need for modifications.

Key Features

Magnaflow’s CARB Direct-Fit Catalytic Converter combines advanced technology and durable materials to deliver superior performance and 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 free-flowing exhaust for improved efficiency
• Highly corrosion-resistant stainless steel construction for long-lasting durability
• Single laser fusion weld minimizes leak potential and enhances structural integrity
• Compact, low-mass design improves thermal efficiency and reduces weight
• Developed using state-of-the-art 3D scanning technology for exact OEM replication
• Includes all necessary hardware for installation—no cutting or welding required

Construction & Design

Built from premium stainless steel, this catalytic converter is engineered to withstand harsh under-vehicle conditions and resist corrosion over time. The mandrel-bent tubing ensures smooth exhaust flow by maintaining consistent diameter through bends, reducing backpressure and enhancing overall system efficiency. Magnaflow’s use of laser fusion welding creates a strong, leak-resistant joint that maintains the integrity of the exhaust system under thermal expansion and vibration.

The compact and lightweight design not only aids in thermal management but also simplifies installation and fitment within the factory exhaust layout. The precision manufacturing process, including advanced 3D scanning metrology, guarantees that this converter matches the original equipment’s dimensions and performance characteristics exactly.

Installation & Fitment

This catalytic converter is designed for a direct bolt-on replacement on 2015 and 2016 Ram 2500 trucks equipped with the 6.4L 392 engine. Installation requires no cutting, welding, or modifications when using the proper tools. The included hardware kit ensures a secure and leak-free connection, making it a straightforward upgrade for professional mechanics and experienced DIY enthusiasts alike.

What's Included

• Magnaflow CARB Direct-Fit Catalytic Converter (Part #5551513)
• 2 Washers
• 2 Nuts
• 2 Bolts
• 1 3-inch Band Clamp
• 1 2.5-inch Band Clamp

Ideal For

This catalytic converter is perfect for Ram 2500 6.4L 392 owners who need a reliable, emissions-compliant replacement part that fits precisely and performs consistently. It is especially suited for those living in California or other CARB-regulated states who require legal aftermarket parts without sacrificing quality or durability.

Emissions Note

This Magnaflow catalytic converter is certified to meet or exceed California Air Resources Board (CARB) requirements. It has undergone rigorous testing to comply with CARB guidelines, ensuring legal use in California and other CARB-restricted states for the specified 2015–2016 Ram 2500 6.4L 392 models. Installing this part helps maintain your vehicle’s emissions compliance and avoids check engine light issues related to catalytic converter performance.

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.