Magnaflow Direct Fit Catalytic Converter

Dodge Durango / Jeep Grand Cherokee 11-19 5.7L/3.6L

Part #: 49879

Overview

The Magnaflow OEM Grade Direct-Fit Catalytic Converter 49879 is engineered to provide a seamless replacement solution for your 2011–2019 Dodge Durango and Jeep Grand Cherokee equipped with the 5.7L HEMI engine. Designed to meet or exceed Federal EPA emissions standards, this catalytic converter ensures your vehicle remains compliant with environmental regulations while maintaining optimal engine performance and fuel efficiency.

Ideal for drivers seeking a direct-fit replacement without the hassle of cutting or welding, this converter replicates the original equipment’s fit and flow characteristics. It helps prevent check engine light issues related to emissions and restores your vehicle’s exhaust system to factory specifications, delivering reliable, long-lasting performance.

Key Features

Magnaflow’s Direct-Fit Catalytic Converter combines precision engineering with durable materials to offer a dependable and efficient emissions solution. Key features include:

• Federal/EPA compliant design for OBDII federally registered vehicles
• Direct-fit installation requiring no cutting or welding
• Mandrel-bent tubing preserving OEM-like exhaust flow and geometry
• Highly corrosion-resistant 16 gauge 409 stainless steel construction
• Spun body design with single laser fusion weld to minimize leaks
• Compact, low-mass design for improved thermal efficiency
• Includes essential gaskets and hardware for proper sealing and easy installation
• Replicates OE flow dynamics to maintain factory performance and fuel economy
• Interchanges with OE parts 6841 4797AA and 6841 4798AA

Construction & Design

Constructed from durable 16 gauge 409 stainless steel, this catalytic converter offers exceptional resistance to corrosion and ensures long service life even under harsh conditions. The mandrel-bent tubing design maintains smooth, unrestricted exhaust flow that mirrors the original equipment’s geometry, preserving engine efficiency and performance.

Magnaflow utilizes advanced 3D scanning technology during development to guarantee precise fitment and accurate replication of the OE spun body design. The single laser fusion weld enhances structural integrity and reduces the risk of exhaust leaks, while the compact design promotes superior thermal management for consistent catalytic activity.

Installation & Fitment

This direct-fit catalytic converter is designed for straightforward installation on 2011–2019 Dodge Durango and Jeep Grand Cherokee models equipped with the 5.7L HEMI engine. Compatible with a wide range of trims including Citadel, Crew, GT, Limited, Pursuit, R/T, Special Service, SXT, High Altitude, Laredo, Limited X, Overland, Summit, and Trailhawk, it requires only basic hand tools and no cutting or welding.

The included gaskets and hardware ensure a secure, leak-free connection, simplifying replacement of corroded or damaged factory components. This makes it an excellent choice for both professional mechanics and DIY enthusiasts looking for a hassle-free upgrade.

What's Included

• Magnaflow OEM Grade Direct-Fit Catalytic Converter 49879
• Essential gaskets for proper sealing
• Installation hardware to replace corroded factory parts

Ideal For

This catalytic converter is perfect for Dodge Durango and Jeep Grand Cherokee owners who require a reliable, EPA-compliant replacement that fits precisely and performs like the original equipment. It is especially suited for those aiming to maintain emissions compliance, avoid check engine light issues, and preserve factory fuel economy and engine performance without the complexity of custom modifications.

Emissions Note

Magnaflow’s OEM Grade Direct-Fit Catalytic Converter 49879 is designed to meet or exceed Federal emissions requirements set by the EPA. It is compliant with legal standards for OBDII federally registered vehicles equipped with California or Federal/EPA emission systems, ensuring your vehicle remains street-legal and environmentally responsible.

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.