Magnaflow Direct Fit Catalytic Converter

Jeep Commander / Grand Cherokee 05-06 5.7L Hemi

Part #: 4651709

Overview

The Magnaflow Direct Fit Catalytic Converter is a precision-engineered replacement designed specifically for the 2005–2006 Jeep Grand Cherokee 5.7L HEMI and the 2006 Jeep Commander with 4.7L and 5.7L HEMI engines. This catalytic converter ensures your vehicle remains compliant with emissions regulations while maintaining optimal engine performance and fuel efficiency. It is an ideal solution for Jeep owners seeking a reliable, high-quality replacement that fits exactly like the original equipment without the need for modifications.

Manufactured to meet California Air Resources Board (CARB) standards, this converter is legal for use in all 50 states, including California and other CARB-regulated regions. Its direct-fit design allows for a straightforward installation process, making it suitable for both professional mechanics and experienced DIY enthusiasts.

Key Features

Magnaflow’s catalytic converter combines advanced materials and engineering to deliver dependable emissions control and durability. Key features include:

• California Grade CARB Compliant for legal use nationwide, including California, Colorado, New York, and Maine
• Direct-fit design requiring no cutting or welding for easy, hassle-free installation
• Mandrel-bent 16 gauge 409 stainless steel tubing preserves OEM exhaust flow and geometry for optimal fuel economy and engine operation
• Highly corrosion-resistant tubing and components for long-lasting durability
• Single laser fusion weld on the spun body design to minimize leaks and improve thermal efficiency
• OE-sized barbed exhaust hangers made from corrosion-resistant 410 stainless steel to reduce noise and vibration
• Precision stamped collector design enhances exhaust flow and engine efficiency
• Torca AccuSeal® exhaust clamps provide 360-degree clamping force to prevent pipe distortion and ensure a complete seal
• Includes essential gaskets and hardware for simplified installation
• Developed using advanced 3D scanning metrology to guarantee exact OE fit and function

Construction & Design

Constructed from high-strength 16 gauge 409 stainless steel tubing, this catalytic converter offers exceptional resistance to corrosion and wear, ensuring a long service life even under demanding conditions. The spun body design replicates the original equipment manufacturer’s flow dynamics, maintaining factory-level performance and fuel efficiency.

Durable 308 stainless steel MIG welds enhance structural integrity, while the compact, low-mass design improves thermal efficiency for faster catalyst light-off and sustained emissions control. Magnaflow’s use of state-of-the-art 3D scanning technology ensures a precise fit, eliminating common issues such as leaks or misalignment. The single laser fusion weld further reduces leak potential, providing a reliable seal that withstands heat cycles and vibration.

Installation & Fitment

This direct-fit catalytic converter is engineered specifically for the 2005–2006 Jeep Grand Cherokee 5.7L HEMI and the 2006 Jeep Commander with 4.7L V8 and 5.7L HEMI engines, including Commander 65th Anniversary Edition, Base, and Limited trims. Installation is straightforward and requires no cutting or welding, making it accessible for DIY installation with the proper tools.

The included gaskets and hardware simplify the installation process, while OE-sized barbed exhaust hangers ensure secure mounting and reduced vibration. For legal installation in CARB-regulated states, verify that your vehicle’s Executive Order (EO) number and Engine Family Number (EFN) match those listed in the converter’s CARB Executive Order documentation.

What's Included

• Magnaflow Direct Fit Catalytic Converter (Part #4651709)
• Essential gaskets
• Installation hardware
• Torca AccuSeal® exhaust clamps

Ideal For

This catalytic converter is perfect for Jeep Grand Cherokee and Commander owners who need a high-quality, CARB-compliant replacement part that ensures emissions compliance without sacrificing factory performance. It is well-suited for those seeking a direct-fit solution that minimizes installation time and complexity while providing long-lasting durability and maintaining proper exhaust flow.

Emissions Note

This Magnaflow catalytic converter meets or exceeds California Air Resources Board (CARB) requirements and has undergone rigorous testing to comply with CARB guidelines. It is 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 the converter’s CARB Executive Order documentation.

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.