MagnaFlow Direct Fit Catalytic Converter

2005 Chrysler 300 / Dodge Magnum 5.7L HEMI RWD

Part #: 4561244

Overview

The MagnaFlow Direct Fit Catalytic Converter is a premium replacement part engineered specifically for the 2005 Chrysler 300 and Dodge Magnum equipped with the 5.7L HEMI engine and rear-wheel drive. Designed to meet or exceed California Air Resource Board (CARB) standards, this catalytic converter ensures your vehicle remains compliant with strict emissions regulations, helping to prevent check engine lights and maintain clean exhaust output.

Ideal for owners seeking a direct replacement that fits precisely without modifications, this converter offers reliable performance and long-lasting durability. Whether you are replacing a failing unit or upgrading to a CARB-compliant converter, MagnaFlow delivers a seamless fit and dependable operation that preserves your vehicle’s emissions control system integrity.

Key Features

This catalytic converter incorporates advanced design and manufacturing techniques to provide a high-quality, legal replacement part for your vehicle. Key features include:

• CARB-compliant for legal use in California and other CARB-restricted states
• Direct-fit design tailored specifically for the 2005 Chrysler 300 and Dodge Magnum 5.7L HEMI RWD
• Free-flowing mandrel-bent tubing to optimize exhaust flow and reduce backpressure
• Highly corrosion-resistant stainless steel construction for long-lasting durability
• Spun body design replicating original equipment for precise fit and function
• Single laser fusion weld to minimize leak potential and enhance structural integrity
• Compact, low-mass design promoting improved thermal efficiency and faster light-off
• Interchangeable with OE parts 4578 446AD and 6803 9466AA
• Manufactured using state-of-the-art 3D scanning metrology for exact fitment

Construction & Design

Crafted from premium stainless steel, the MagnaFlow catalytic converter offers superior resistance to rust and corrosion, ensuring long service life even in harsh environments. The spun body construction mirrors the original equipment manufacturer’s design, providing a perfect fit and reliable sealing to prevent exhaust leaks.

The single laser fusion weld enhances durability by reducing the risk of cracks and leaks common with lesser quality converters. Mandrel-bent tubing maintains a smooth exhaust path, minimizing turbulence and backpressure to support optimal engine performance and efficiency. Its compact, lightweight design also contributes to faster heat-up times, which is critical for effective catalytic activity and emissions reduction.

Installation & Fitment

Installation is straightforward with this direct-fit catalytic converter, designed specifically for the 2005 Chrysler 300 and Dodge Magnum 5.7L HEMI RWD. No cutting, welding, or additional modifications are required when using proper tools, making it a convenient option for professional mechanics and experienced DIY enthusiasts alike. The precise fitment ensures a secure connection to the existing exhaust system, reducing installation time and potential complications.

What's Included

• One MagnaFlow California Grade Direct-Fit Catalytic Converter (Part #4561244)

Ideal For

This catalytic converter is ideal for 2005 Chrysler 300 and Dodge Magnum owners who need a reliable, CARB-compliant replacement part that maintains factory emissions standards. It suits drivers looking to keep their vehicle street-legal in California and other states with strict emissions regulations, as well as those seeking a durable, long-lasting converter that fits perfectly without modification.

Emissions Note

This product is designed to meet or exceed California Air Resource 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 vehicle application, helping you maintain emissions compliance and avoid costly fines or failed inspections.

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.