Magnaflow Direct-Fit Catalytic Converter

Dodge Ram 1500 09 5.7L Hemi

Part #: 5451665

Overview

The Magnaflow Direct-Fit Catalytic Converter 5451665 is a precision-engineered replacement part designed specifically for the 2009 Dodge Ram 1500 with the 4.7L V8 engine. This catalytic converter provides a reliable and efficient solution to restore your vehicle’s emissions control system to factory standards. It is an ideal choice for Dodge Ram owners who need a high-quality, direct replacement that maintains compliance with California Air Resource Board (CARB) regulations.

Built to meet or exceed OEM specifications, this converter ensures your truck remains street-legal in California and other CARB-restricted states. It offers a seamless fit and durable construction, making it a dependable option for both professional installers and experienced DIY enthusiasts looking to maintain emissions compliance without sacrificing performance or ease of installation.

Key Features

This Magnaflow catalytic converter combines advanced manufacturing techniques with premium materials to deliver dependable performance and emissions compliance. Key features include:

• California CARB compliant, meeting or exceeding strict emissions regulations
• Direct-fit design tailored specifically for the 2009 Dodge Ram 1500 4.7L V8
• Mandrel-bent tubing for optimal exhaust flow and minimal restriction
• Highly corrosion-resistant stainless steel construction for long-lasting durability
• Spun body design replicates original equipment for precise fit and function
• Single laser fusion weld reduces leak potential and enhances structural integrity
• Compact, low-mass design improves thermal efficiency and catalytic reaction
• No cutting or welding required for installation with proper tools
• Developed using advanced 3D scanning technology for exact OEM fitment

Construction & Design

Magnaflow’s catalytic converter features a robust stainless steel body engineered to resist rust and corrosion, ensuring long service life even under harsh driving conditions. The spun body construction mirrors the original equipment manufacturer’s design, providing a perfect match in shape and size. This precision fitment is achieved through state-of-the-art 3D scanning and metrology during development, guaranteeing seamless integration into the factory exhaust system.

The mandrel-bent tubing maintains a smooth internal diameter, minimizing exhaust flow restrictions and promoting efficient catalytic conversion. The single laser fusion weld enhances durability while minimizing the risk of exhaust leaks, a common issue with lower-quality replacements.

Installation & Fitment

This direct-fit catalytic converter is designed for straightforward installation on the 2009 Dodge Ram 1500 4.7L V8. It requires no cutting, welding, or modifications when installed with the appropriate tools, making it an excellent choice for both professional mechanics and experienced DIY installers. The exact OEM replication ensures bolt-on compatibility, reducing installation time and complexity.

What's Included

• Magnaflow Direct-Fit Catalytic Converter (Part #5451665)
• Pre-installed flanges and gaskets as required for direct replacement
• Installation instructions (where applicable)

Ideal For

This catalytic converter is perfect for 2009 Dodge Ram 1500 owners who require a reliable, CARB-compliant replacement that maintains factory emissions standards. It is suited for those looking to keep their vehicle street-legal in California and other states with strict emissions regulations. Additionally, it appeals to anyone seeking a durable, long-lasting catalytic converter that fits precisely without modification or hassle.

Emissions Note

This Magnaflow catalytic converter is California 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 2009 Dodge Ram 1500 4.7L V8 model, ensuring your vehicle remains compliant with local emissions laws.

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.