MagnaFlow California Grade Universal Catalytic Converter

2011–2025 Various Vehicles / Universal Fit

Part #: 408004

Overview

The MagnaFlow California Grade Universal Catalytic Converter (408004) is designed to help you maintain compliance with California Air Resource Board (CARB) regulations while ensuring your vehicle continues to operate efficiently. Crafted with high-quality stainless steel, this catalytic converter offers excellent corrosion resistance and durability, making it a reliable choice for vehicle owners seeking a compliant and long-lasting emission control solution.

Ideal for a wide range of vehicles, this universal catalytic converter is perfect for those performing custom exhaust installations, repairs, or upgrades. Its adaptable design requires cutting and welding during installation, providing flexibility to fit various makes and models. Whether you're restoring a classic or upgrading your daily driver, this converter helps you meet strict emissions standards without sacrificing performance.

Key Features

The MagnaFlow California Grade Catalytic Converter is built with several advanced features to ensure optimal performance and compliance:

• Constructed from highly corrosion-resistant stainless steel, ensuring longevity and resistance to harsh environmental conditions.
• Universal design allows for versatile installation across a broad spectrum of vehicles, with the flexibility to customize fitment through cutting and welding.
• Meets or exceeds California Air Resource Board (CARB) requirements, helping keep your vehicle emissions compliant and your check engine light off.
• Engineered to provide reliable catalytic conversion, reducing harmful emissions such as hydrocarbons, carbon monoxide, and nitrogen oxides.
• Designed for easy integration into custom exhaust systems, making it suitable for performance enthusiasts and professional installers alike.
• Manufactured with precision to ensure consistent quality and performance, backed by MagnaFlow's reputation for excellence in emissions technology.

Construction & Design

This catalytic converter features a robust stainless steel shell that resists corrosion and high temperatures, ensuring durability over the lifespan of your vehicle. Its universal design includes an adaptable inlet and outlet, allowing for precise customization during installation. The unit is engineered with high-flow catalysts to optimize exhaust flow, supporting better engine response and efficiency. The compact, lightweight construction makes it easier to fit into tight spaces, and the precision-welded construction guarantees a secure, leak-free seal.

Installation & Fitment

The MagnaFlow California Grade Universal Catalytic Converter is a bolt-in replacement designed for custom exhaust systems. Installation requires cutting and welding to fit your specific vehicle and exhaust configuration. No additional tuning or modifications are typically necessary, but professional installation is recommended to ensure proper fitment and compliance with local regulations. This converter is compatible with a wide range of vehicles, making it a versatile choice for custom builds or repairs.

• Requires cutting and welding during installation
• No tuning required in most cases
• Designed for universal fitment across multiple vehicle makes and models

What's Included

• Universal catalytic converter with stainless steel shell
• All necessary mounting flanges and hardware (if applicable)
• Installation instructions

Ideal For

• Vehicle owners performing custom exhaust repairs or upgrades
• Performance enthusiasts seeking compliant emission solutions
• Mechanics and installers needing a durable, high-quality catalytic converter
• Restorers aiming to meet California emissions standards