Magnaflow Manifold Catalytic Converter

Ram 1500 15-17 5.7L/3.6L/3.0L EcoDiesel

5551999

Overview:

The Magnaflow Manifold Catalytic Converter 5551999 is a direct-fit replacement designed specifically for the 2015 to 2017 Ram 1500. Engineered to maintain optimal emissions control, this catalytic converter helps keep your vehicle’s check engine light off by ensuring efficient exhaust gas treatment. Ideal for Ram 1500 owners seeking a reliable, California Air Resource Board (CARB) compliant solution, this converter offers a seamless fit and dependable performance without the need for cutting or welding.

Whether you’re repairing a damaged OEM converter or upgrading to a high-quality aftermarket part, Magnaflow’s precision manufacturing guarantees a product that meets or exceeds original equipment standards. This converter is perfect for those who want to maintain emissions compliance while preserving the factory exhaust system’s integrity.

Key Features:

Designed with advanced technology and quality materials, the Magnaflow Manifold Catalytic Converter delivers superior performance and durability. Key features include:

• Direct-fit design tailored for 2015–2017 Ram 1500 models, ensuring hassle-free installation
• California Grade CARB compliant, meeting strict emissions regulations for legal use in California and CARB states
• Free-flowing mandrel-bent tubing that promotes efficient exhaust flow and reduces backpressure
• Highly corrosion-resistant stainless steel construction for long-lasting durability
• Single laser fusion weld on the spun body design to minimize leaks and enhance structural integrity
• Compact, low-mass design for improved thermal efficiency and quicker catalyst light-off
• Includes hardware to replace corroded factory components, simplifying the installation process
• Developed using state-of-the-art 3D scanning technology to replicate OE fit and function precisely

Construction & Design:

Magnaflow’s catalytic converter features a spun body design crafted from premium stainless steel, providing exceptional resistance to rust and corrosion. The use of mandrel-bent tubing ensures smooth exhaust flow without restrictions, which helps maintain engine efficiency and performance. The single laser fusion weld enhances the durability of the converter by reducing potential leak points, a common issue in lesser-quality replacements.

Advanced metrology techniques, including 3D scanning during product development, guarantee that this converter matches the exact specifications of the original equipment. This precision engineering results in a part that fits perfectly and functions reliably over the long term.

Installation & Fitment:

This Magnaflow catalytic converter is designed for a direct bolt-on installation on 2015 to 2017 Ram 1500 trucks. No cutting, welding, or modifications are required, making it an ideal choice for DIY enthusiasts and professional mechanics alike. The included hardware replaces any corroded or worn factory components, ensuring a secure and leak-free fit.

Proper installation tools are recommended to achieve the best results and maintain the integrity of the exhaust system. With its exact OE fitment, this converter integrates seamlessly into your vehicle’s exhaust assembly.

What's Included:

• Magnaflow Manifold Catalytic Converter (Part #5551999)
• Installation hardware kit
• Detailed installation instructions

Ideal For:

This catalytic converter is ideal for Ram 1500 owners from model years 2015 through 2017 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 complexity of custom modifications.

Emissions Note

This product is California Grade CARB compliant and has undergone rigorous testing to meet or exceed California Air Resource Board requirements. It is legal for use in California and other CARB-restricted states on the specified vehicle applications, ensuring your Ram 1500 remains emissions compliant and street legal.

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.