MagnaFlow California Grade Direct-Fit Catalytic Converter

2005 Chrysler 300

4561243

Overview:

The MagnaFlow California Grade Direct-Fit Catalytic Converter is engineered to provide a reliable and efficient solution for maintaining your 2005 Chrysler 300’s emissions system. Designed to meet or exceed California Air Resource Board (CARB) requirements, this catalytic converter helps keep your vehicle compliant with strict emissions standards while preventing check engine light issues related to exhaust system faults. Ideal for owners seeking a direct replacement that offers OE-level fitment and durability, this converter ensures your vehicle runs cleanly and smoothly.

With a focus on precision and quality, MagnaFlow’s direct-fit converter is perfect for those who want a hassle-free installation without sacrificing performance or compliance. It is also compatible with the 2005 Dodge Magnum and interchanges with OE parts 4578 447AD and 4578 449AC, making it a versatile choice for select Chrysler and Dodge models.

Key Features:

This catalytic converter combines advanced manufacturing techniques with durable materials to deliver a dependable emissions solution. Key features include:

• CARB-compliant design certified for legal use in California and CARB-restricted states
• Direct-fit replacement requiring no cutting or welding for straightforward installation
• 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 greater thermal efficiency and quicker catalyst light-off
• Developed using state-of-the-art 3D scanning technology for exact OE fitment

Construction & Design:

MagnaFlow’s catalytic converter features a robust stainless steel body that resists rust and corrosion, ensuring longevity even under harsh driving conditions. The spun body construction mirrors the original equipment manufacturer’s design, providing a seamless fit within the vehicle’s exhaust system. The single laser fusion weld not only strengthens the unit but also reduces the risk of exhaust leaks, which can trigger diagnostic trouble codes.

The mandrel-bent tubing maintains consistent diameter throughout bends, promoting unrestricted exhaust flow and reducing backpressure. This design enhances the converter’s thermal efficiency, allowing it to reach optimal operating temperatures faster and maintain effective emissions control.

Installation & Fitment:

This direct-fit catalytic converter is designed specifically for the 2005 Chrysler 300, ensuring a precise and secure fit without the need for cutting, welding, or additional modifications. Installation can be completed using standard automotive tools, making it accessible for professional mechanics and experienced DIY enthusiasts alike. The converter also fits the 2005 Dodge Magnum and is compatible with several OE part numbers, providing flexibility for related vehicle applications.

What's Included:

• One MagnaFlow California Grade Direct-Fit Catalytic Converter (Part #4561243)
• Installation hardware not included—standard tools required

Ideal For:

This catalytic converter is ideal for 2005 Chrysler 300 owners who require a CARB-compliant replacement part that guarantees proper fit and emissions performance. It is well-suited for those looking to maintain their vehicle’s emissions compliance in California and other CARB-regulated states without compromising on build quality or ease of installation.

Emissions Note

This product is CARB compliant and has undergone additional testing to meet California Air Resource Board standards. It is legal for use in California and other CARB-restricted states on the specified vehicle applications, ensuring your vehicle remains emissions-legal and environmentally responsible.

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.