Magnaflow Catalytic Converter

Dodge Ram 1500 09 5.7L Hemi

Part #: 5451664

Overview

The Magnaflow Direct Fit Catalytic Converter is a precision-engineered replacement part designed specifically for the 2009 Dodge Ram 1500 equipped with the 5.7L HEMI engine. This catalytic converter provides a reliable solution to restore your truck’s emissions system to factory standards, ensuring compliance with environmental regulations while maintaining optimal engine performance. Ideal for owners facing a worn or damaged converter, it offers a direct-fit design that simplifies installation and eliminates the need for cutting or welding.

Built to meet or exceed California Air Resource Board (CARB) requirements, this converter helps keep your vehicle’s check engine light off and supports clean, efficient exhaust flow. Whether you are a professional mechanic or a DIY enthusiast, Magnaflow’s product delivers OE-quality durability and performance for long-lasting peace of mind.

Key Features

Magnaflow’s Direct Fit Catalytic Converter combines advanced engineering with practical design elements to ensure superior function and longevity:

• CARB compliant for legal use in California and other CARB-regulated states
• Direct-fit design tailored specifically for the 2009 Dodge Ram 1500 5.7L HEMI
• Mandrel-bent tubing promotes free-flowing exhaust and reduces backpressure
• Constructed from highly corrosion-resistant stainless steel for extended durability
• Single laser fusion weld on the spun stainless steel body minimizes leak potential
• Compact, low-mass design enhances thermal efficiency and catalytic activity
• Includes all necessary hardware for easy replacement of corroded factory parts
• Manufactured using advanced 3D scanning technology to ensure precise fit and function

Construction & Design

This catalytic converter features a spun stainless steel body that replicates the original equipment manufacturer’s (OEM) design, ensuring a perfect fit and reliable operation. Stainless steel construction provides excellent resistance to rust and corrosion while withstanding the high temperatures generated by the exhaust system. The mandrel-bent tubing maintains a consistent diameter through bends, promoting smooth exhaust flow and reducing turbulence that can negatively impact performance.

Magnaflow’s use of state-of-the-art 3D scanning technology during product development guarantees that each converter matches the exact specifications of the factory part. The single laser fusion weld enhances structural integrity and reduces the risk of leaks, contributing to the converter’s long service life and dependable operation.

Installation & Fitment

Designed as a direct-fit replacement, this catalytic converter installs easily on the 2009 Dodge Ram 1500 5.7L HEMI without requiring cutting, welding, or modifications. The included hardware kit replaces any corroded or damaged factory components, ensuring a secure and leak-free connection. With basic mechanical knowledge and common tools, most users can complete the installation themselves, saving time and labor costs.

What's Included

• Magnaflow California Direct-Fit Catalytic Converter (Part #5451664)
• Installation hardware kit
• Detailed installation instructions

Ideal For

This catalytic converter is ideal for 2009 Dodge Ram 1500 owners with the 5.7L HEMI engine who need a reliable, CARB-compliant replacement part. It suits those who want to maintain their vehicle’s emissions compliance without sacrificing performance or fitment accuracy. Whether you are a professional mechanic or a DIY enthusiast, this converter offers a straightforward, durable solution for restoring your truck’s emissions system to factory specifications.

Emissions Note

This product is CARB compliant and has undergone rigorous testing to meet California Air Resource Board requirements. It is legal for use in California and other states that enforce CARB emissions standards for the specified vehicle application. Installing this converter helps ensure your Dodge Ram 1500 remains environmentally responsible and compliant with local regulations.

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.