Magnaflow Direct-Fit Catalytic Converter

2011–2017 Dodge Durango / Jeep Grand Cherokee

5551739

Overview:

The Magnaflow California Grade Direct-Fit Catalytic Converter is engineered to provide a reliable, efficient replacement for your 2011–2017 Dodge Durango or Jeep Grand Cherokee. Designed to maintain optimal emissions control, this catalytic converter helps keep your vehicle’s check engine light off while ensuring compliance with stringent California Air Resources Board (CARB) standards. Ideal for drivers seeking a direct replacement that matches original equipment quality, this converter offers peace of mind with its precise fit and durable construction.

Whether you’re addressing a failed factory converter or upgrading to a CARB-compliant part, this Magnaflow converter delivers consistent performance and long-lasting durability without the need for complex modifications.

Key Features:

Built with advanced manufacturing techniques and premium materials, this catalytic converter offers several key benefits:

• CARB-compliant design certified for legal use in California and other CARB-restricted states
• Direct-fit installation with no cutting, welding, or modifications required
• Mandrel-bent tubing for unrestricted exhaust flow and improved efficiency
• Highly corrosion-resistant stainless steel construction for extended service life
• Spun body design replicates original equipment for precise fit and function
• Single laser fusion weld reduces the risk of leaks and enhances durability
• Compact, low-mass design improves thermal efficiency and catalytic performance
• Includes all necessary hardware to simplify installation and replace corroded factory parts
• Developed using state-of-the-art 3D scanning technology to ensure exact OEM fitment

Construction & Design:

This catalytic converter features a robust stainless steel body that resists rust and corrosion, ensuring longevity even under harsh driving conditions. The mandrel-bent tubing maintains smooth exhaust flow, minimizing backpressure and promoting optimal engine performance. Magnaflow’s precision manufacturing process includes a spun body design that closely mirrors the original equipment, while the single laser fusion weld provides a strong, leak-resistant seal. The compact and lightweight construction enhances thermal efficiency, allowing the catalyst to reach operating temperature quickly for effective emissions reduction.

Installation & Fitment:

Designed as a direct-fit replacement for the 2011–2017 Dodge Durango and Jeep Grand Cherokee, this catalytic converter installs easily using standard automotive tools. No cutting, welding, or special modifications are necessary, making it a straightforward upgrade or repair for professional mechanics and experienced DIY enthusiasts alike. Included hardware helps overcome challenges posed by corroded factory components, streamlining the installation process and ensuring a secure, leak-free fit.

What's Included:

• Magnaflow California Grade Direct-Fit Catalytic Converter (Part #5551739)
• Installation hardware kit
• Detailed installation instructions

Ideal For:

This catalytic converter is perfect for Dodge Durango and Jeep Grand Cherokee owners who require a reliable, CARB-compliant replacement part that meets or exceeds OEM standards. It is especially suited for those living in California or other states with strict emissions regulations, as well as anyone looking to maintain their vehicle’s emissions system integrity without complicated installation procedures.

Emissions Note

This replacement catalytic converter is certified to meet 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 CARB-restricted states on the specified 2011–2017 Dodge Durango and Jeep Grand Cherokee models, helping you maintain emissions compliance and avoid costly penalties.

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.