Magnaflow California Grade Direct-Fit Catalytic Converter

Dodge Ram 1500 / Ram 1500 09-17 5.7L Hemi

5551664

Overview:

The Magnaflow California Grade Direct-Fit Catalytic Converter 5551664 is engineered to maintain optimal emissions control and keep your check engine light off. Designed specifically for Dodge Ram 1500 models from 2009 to 2010 and Ram 1500 5.7L models from 2011 to 2017, this catalytic converter offers a seamless replacement solution that meets stringent California Air Resources Board (CARB) requirements. It is ideal for owners seeking a reliable, legal, and high-quality emissions component that ensures their vehicle remains compliant with emissions regulations without sacrificing performance.

This direct-fit converter is perfect for those who want a hassle-free installation experience without the need for cutting or welding. Its precise engineering replicates the original equipment manufacturer (OEM) design, ensuring a perfect fit and function.

Key Features:

Magnaflow’s California Grade Direct-Fit Catalytic Converter combines advanced technology and durable materials to deliver superior emissions control and long-lasting performance. Key features include:

• CARB compliant for legal use in California and other CARB-restricted states
• Direct-fit design eliminates the need for cutting, welding, or modifications
• Free-flowing mandrel-bent tubing for improved exhaust flow
• Highly corrosion-resistant stainless steel construction for durability
• Single laser fusion weld on spun body reduces leak potential
• Compact, low-mass design enhances thermal efficiency
• Includes all necessary hardware for easy installation
• Manufactured using advanced 3D scanning technology for precise fitment

Construction & Design:

Built with premium stainless steel, this catalytic converter is engineered to withstand harsh conditions and resist corrosion over time. The spun body design closely replicates the OEM part, ensuring durability and reliability. The single laser fusion weld not only strengthens the unit but also minimizes the risk of exhaust leaks, which can compromise emissions performance. The mandrel-bent tubing maintains consistent diameter throughout the exhaust path, promoting smooth exhaust flow and reducing backpressure.

Magnaflow’s use of state-of-the-art 3D scanning during research and development guarantees that this converter fits precisely and functions as intended, providing peace of mind that your vehicle’s emissions system remains intact and efficient.

Installation & Fitment:

This catalytic converter is designed for a direct bolt-on installation on 2009–2010 Dodge Ram 1500 and 2011–2017 Ram 1500 5.7L models. No cutting, welding, or additional modifications are required, making it an excellent choice for DIY enthusiasts and professional mechanics alike. The included hardware simplifies the replacement process by eliminating issues related to corroded or seized factory components.

Proper tools and basic mechanical knowledge are recommended to ensure a smooth installation experience. Following manufacturer instructions will help maintain the integrity of your vehicle’s emissions system and ensure compliance with emissions regulations.

What's Included:

• Magnaflow California Grade Direct-Fit Catalytic Converter (Part #5551664)
• Installation hardware kit
• Detailed installation instructions

Ideal For:

This catalytic converter is ideal for Dodge Ram 1500 and Ram 1500 5.7L owners who require a CARB-compliant replacement part that guarantees legal emissions compliance in California and other CARB-restricted states. It suits drivers looking for a durable, direct-fit solution that maintains factory performance and emissions standards without the hassle of custom modifications.

Emissions Note

This product is designed to meet or exceed California Air Resources Board (CARB) requirements and has undergone additional testing to ensure compliance with CARB guidelines. It is legal for use in California and other states that enforce CARB emissions standards for the specified vehicle applications.

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.