Magnaflow Direct Fit Catalytic Converter

2004–2006 Jeep Wrangler TJ 4.0L I6

Part #: 4593001

Overview

The Magnaflow Direct Fit Catalytic Converter 4593001 is a precision-engineered replacement designed specifically for 2004 to 2006 Jeep Wrangler TJ models equipped with the 4.0L inline-six engine. This converter fits a wide range of trims including the 65th Anniversary Edition, Rubicon, Sahara, SE, Sport, Unlimited, Unlimited Rubicon, and X. It offers a direct-fit solution that maintains your Jeep’s factory emissions performance while ensuring a seamless installation without cutting or welding.

Ideal for Jeep owners who require a reliable, long-lasting catalytic converter that meets or exceeds OEM standards, this Magnaflow part supports optimal exhaust flow and helps keep your vehicle street-legal in all 50 states. It is especially suited for those seeking a California Air Resources Board (CARB) compliant replacement that preserves fuel efficiency and prevents check engine light issues related to emissions.

Key Features

Magnaflow’s Direct Fit Catalytic Converter combines advanced design and durable materials to deliver a dependable and efficient emissions control solution. Key features include:

• California CARB compliant for legal use nationwide, including California, Colorado, New York, and Maine
• Free-flowing mandrel-bent tubing to optimize exhaust flow and reduce backpressure
• Constructed from corrosion-resistant 16 gauge 409 stainless steel for extended durability
• OEM-style spun body design with a single laser fusion weld to minimize exhaust leaks
• Compact, low-mass design enhances thermal efficiency and accelerates catalyst light-off
• Durable 308 stainless steel MIG welds for superior structural integrity
• Includes all necessary gaskets and mounting hardware to replace corroded factory parts
• Manufactured using state-of-the-art 3D scanning technology for precise fit and function
• Direct interchange with OE parts 5205 9681AE and 5205 9681AA

Construction & Design

This catalytic converter is crafted from high-strength 16 gauge 409 stainless steel tubing, providing excellent resistance to rust and corrosion in harsh driving environments. The spun body design closely replicates the original equipment manufacturer’s specifications, ensuring a perfect fit and reliable performance without compromising exhaust flow dynamics.

The single laser fusion weld reduces the risk of leaks, while the compact, low-mass construction improves thermal efficiency, allowing the catalyst to reach optimal operating temperature quickly for effective emissions control. Magnaflow’s use of advanced 3D scanning and metrology guarantees that this converter matches the exact contours and dimensions of the factory part, making it a true direct-fit replacement.

Installation & Fitment

Designed for straightforward installation on 2004 to 2006 Jeep Wrangler TJ models with the 4.0L I6 engine, this direct-fit catalytic converter requires no cutting, welding, or modifications. The included gaskets and mounting hardware replace any worn or corroded factory components, simplifying the installation process and reducing downtime.

Whether you are a professional mechanic or an experienced DIY enthusiast, this converter installs easily using standard automotive tools, restoring your Jeep’s emissions system to factory specifications with minimal effort.

What's Included

• Magnaflow Direct Fit Catalytic Converter (Part #4593001)
• Essential installation gaskets
• Mounting hardware to replace factory components
• Installation instructions

Ideal For

This catalytic converter is perfect for Jeep Wrangler TJ owners who need a dependable, CARB-compliant replacement that maintains factory emissions performance and keeps their vehicle street-legal across all states. It is an excellent choice for restoring a failing or damaged catalytic converter, ensuring long-term vehicle health and compliance with emissions regulations.

Emissions Note

This Magnaflow catalytic converter is California Air Resources Board (CARB) compliant and legal for sale and use in all 50 states, including California, Colorado, New York, and Maine. Installation is permitted only if the vehicle’s Executive Order (EO) number and Engine Family Number (EFN) appear in this converter’s CARB Executive Order documentation. Magnaflow guarantees genuine compliance, ensuring your Jeep meets or exceeds emissions standards while maintaining optimal 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.