MagnaFlow OEM Grade Direct-Fit Catalytic Converter

2002–2004 Jeep Grand Cherokee 4.7L V8

Part #: 49070

Overview

The MagnaFlow OEM Grade Direct-Fit Catalytic Converter 49070 is engineered specifically for 2002 to 2004 Jeep Grand Cherokee models equipped with the 4.7L V8 engine, including Laredo, Limited, Overland, and Special Edition trims. This direct-fit catalytic converter is designed to replace worn or damaged factory units, restoring your vehicle’s emissions system to meet Federal standards without sacrificing performance or fuel economy.

Built to replicate the original equipment’s flow characteristics and fitment, this converter ensures a seamless installation and reliable operation. It is an ideal solution for Jeep owners who want to maintain compliance with emissions regulations while preserving the factory exhaust geometry and engine efficiency.

Key Features

MagnaFlow’s Direct-Fit Catalytic Converter combines advanced manufacturing with premium materials to deliver durability and performance. Key features include:

• Federal/EPA compliant design that meets or exceeds emissions requirements for OBDII vehicles
• Mandrel-bent tubing that maintains OEM-like exhaust flow and geometry for optimal engine efficiency
• Constructed from highly corrosion-resistant 16 gauge 409 stainless steel tubing for long-lasting service
• Spun body construction with a single laser fusion weld to minimize leaks and enhance durability
• Compact, low-mass design promoting faster catalyst light-off and improved thermal efficiency
• OE-sized barbed exhaust hangers made from corrosion-resistant 410 stainless steel to reduce noise and vibration
• Precision stamped collector design for smooth exhaust flow and better fuel economy
• Includes essential gaskets and hardware for simplified installation
• Direct interchange with OE part numbers 5208 0358AA and 5208 0378AC

Construction & Design

This catalytic converter is expertly crafted using high-strength 16 gauge 409 stainless steel tubing, known for its excellent resistance to corrosion and ability to withstand harsh exhaust conditions. The spun body design closely replicates the original equipment manufacturer’s specifications, ensuring a perfect fit and dependable performance.

A single laser fusion weld enhances structural integrity and reduces the risk of exhaust leaks, while mandrel-bent tubing preserves smooth exhaust flow to support factory-caliber engine operation. Advanced 3D scanning technology was utilized during development to guarantee precise dimensions and fitment, allowing for a direct replacement without cutting or welding.

The compact design also aids in faster catalyst activation, improving emissions control efficiency and helping your Jeep run cleaner.

Installation & Fitment

The MagnaFlow Direct-Fit Catalytic Converter 49070 is designed for straightforward installation on 2002 to 2004 Jeep Grand Cherokee Laredo, Limited, Overland, and Special Edition models with the 4.7L V8 engine. It requires no cutting or welding when installed with the proper tools, making it accessible for both experienced DIY enthusiasts and professional mechanics.

Included OE-sized barbed exhaust hangers and hardware help reduce noise and vibration, ensuring a secure and quiet fit. By matching the original equipment’s design and mounting points, this converter maintains your vehicle’s factory exhaust geometry and emissions compliance with ease.

What's Included

• MagnaFlow OEM Grade Direct-Fit Catalytic Converter (Part #49070)
• Essential gaskets for proper sealing
• OE-sized barbed exhaust hangers
• Installation hardware

Ideal For

This catalytic converter is perfect for Jeep Grand Cherokee owners seeking a reliable, EPA-compliant replacement that preserves factory performance and emissions standards. It suits daily drivers, off-road enthusiasts, and anyone committed to maintaining their Jeep’s clean and efficient operation without costly modifications or complicated installation.

Emissions Note

This MagnaFlow catalytic converter meets or exceeds Federal emissions requirements for OBDII federally registered vehicles equipped with California or Federal/EPA emission systems. However, it is not legal for sale or installation in California, Colorado, or New York. Always verify local regulations before installation to ensure compliance with state-specific 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.