MagnaFlow Catalytic Converter

Jeep Grand Cherokee 00-04

459000

Overview:

The MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 459000 is engineered specifically for Jeep Grand Cherokee models from 2000 to 2004, including Laredo, Limited, and Overland trims. Designed to replace your factory catalytic converter, this direct-fit unit helps maintain optimal emissions control and keeps your check engine light off. Ideal for Jeep owners seeking a reliable, legal replacement part that meets stringent California Air Resources Board (CARB) standards, this converter offers a seamless balance of durability, performance, and environmental compliance.

Whether you are a professional mechanic or a knowledgeable DIY enthusiast, this catalytic converter provides an easy installation experience without the need for cutting or welding. It restores your vehicle’s emissions system to factory specifications, ensuring smooth engine operation and fuel efficiency.

Key Features:

MagnaFlow’s catalytic converter combines advanced engineering with quality materials to deliver a dependable replacement part. Key features include:

• CARB compliant design certified for use in California and CARB-restricted states
• Direct-fit application tailored for 2000–2004 Jeep Grand Cherokee Laredo, Limited, and Overland models
• Mandrel-bent tubing to eliminate flow restrictions and maintain OEM-like exhaust geometry
• High-strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance
• Durable 308 stainless steel MIG welds for long-lasting structural integrity
• State-of-the-art 3D scanning ensures precise fit and function matching original equipment
• Includes essential gaskets and hardware for a hassle-free installation
• Expertly crafted to replicate OEM flow dynamics, preserving factory performance and fuel economy

Construction & Design:

Built with premium 16 gauge 409 stainless steel tubing, this catalytic converter offers superior resistance to rust and corrosion, extending the service life of your exhaust system. The mandrel-bent tubing maintains smooth bends without crimping, preserving optimal exhaust flow and reducing backpressure. Precision 308 stainless steel MIG welds provide robust joints that withstand the rigors of daily driving and harsh environmental conditions.

MagnaFlow’s use of advanced 3D scanning technology during the design phase ensures that each converter matches the exact contours and mounting points of the original equipment. This meticulous engineering guarantees a perfect fit and reliable operation, making it a trusted replacement for your Jeep Grand Cherokee’s emissions system.

Installation & Fitment:

This direct-fit catalytic converter is designed for straightforward installation with no cutting, welding, or modifications required. It comes complete with all necessary gaskets and hardware, simplifying the replacement process and reducing installation time. Proper tools and basic mechanical knowledge are recommended to achieve a secure and leak-free fit.

Compatible with the following Jeep Grand Cherokee models:

• Laredo 2000–2001, 2003–2004
• Limited 2000–2001, 2003–2004
• Overland 2003–2004

What's Included:

• MagnaFlow Direct-Fit Catalytic Converter (Part #459000)
• Essential installation gaskets
• Mounting hardware
• Installation instructions

Ideal For:

This catalytic converter is ideal for Jeep Grand Cherokee owners who need a reliable, CARB-compliant replacement part to restore emissions control and maintain vehicle performance. It suits those looking for a durable, OEM-quality component that ensures legal compliance in California and other CARB-regulated states. Perfect for DIY enthusiasts and professional installers alike, it offers a balance of ease of installation and long-term durability.

Emissions Note

This MagnaFlow catalytic converter meets or exceeds 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 Jeep Grand Cherokee models. Installation of this part helps keep your vehicle’s emissions within regulatory limits and prevents check engine light issues related to catalytic converter performance.

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.