Description
Product Overview
The MagnaFlow Catalytic Converter 334004 is engineered to meet the stringent emissions requirements of California and other CARB‑regulated states. Constructed from high‑grade stainless steel, the converter utilizes a clamshell design that incorporates a continuous seam weld, ensuring structural integrity and resistance to corrosion even under the most demanding driving conditions. The unit features a 2‑inch inlet and outlet, providing a universal fit that can be positioned in the rear exhaust system of a broad spectrum of vehicle makes and models. Weighing approximately five pounds, the converter balances durability with manageable weight, facilitating both performance and ease of handling during installation. The OEM‑like O₂ sensor ports are integrated to maintain optimal exhaust flow and catalytic efficiency, while the overall design mirrors factory‑original components, allowing for a seamless replacement that does not compromise vehicle warranty or performance.
Usage
This catalytic converter is intended for use in passenger cars, light trucks, and SUVs that require a CARB‑compliant exhaust solution. Whether you are restoring a classic vehicle to meet modern emissions standards or upgrading a newer model to ensure continued compliance, the 334004 offers a straightforward retrofit option. The universal mounting configuration means the converter can be installed in the rear‑mount location of most exhaust systems, making it suitable for both domestic and imported vehicles that share the standard 2‑inch pipe dimensions. Professional installation is recommended to verify fitment and ensure proper alignment of the O₂ sensor ports, but the design also accommodates experienced DIY enthusiasts who have access to basic hand tools and a lift. Once installed, drivers can expect consistent emissions reduction, improved exhaust flow, and the peace of mind that comes from using a product that has passed rigorous CARB certification testing.
Why Choose Us
Choosing the MagnaFlow Catalytic Converter 334004 means selecting a product backed by decades of expertise in exhaust technology. MagnaFlow is renowned for its commitment to quality, and this converter exemplifies that reputation through its meticulous manufacturing process, which includes extensive testing for durability, flow dynamics, and emissions performance. The stainless‑steel clamshell construction not only resists rust and corrosion but also maintains structural rigidity over the life of the vehicle, reducing the likelihood of premature failure. Additionally, the converter’s CARB compliance ensures that it meets the most demanding environmental standards, protecting you from potential fines or failed inspections. Our customer support team is available to assist with fitment questions, installation guidance, and warranty claims, providing a comprehensive after‑sales experience that underscores our dedication to customer satisfaction.
Key Features
- Stainless‑steel clamshell design delivers long‑lasting corrosion resistance and structural strength.
- CARB‑approved construction guarantees compliance with California emissions regulations.
- Universal 2‑inch inlet and outlet enable easy installation on a wide range of vehicle exhaust systems.
- Integrated OEM‑style O₂ sensor ports preserve optimal exhaust flow and catalytic efficiency.
- Dedicated customer support and warranty coverage provide confidence and peace of mind.
FAQ
Is the 334004 compatible with my vehicle?
The converter is designed for universal rear‑mount applications with a 2‑inch pipe size. While it fits many makes and models, we recommend verifying your vehicle’s exhaust dimensions and EFN compatibility before purchase.
Do I need professional installation?
Professional installation is advised to ensure proper alignment of the O₂ sensor ports and secure mounting. However, experienced DIYers with the right tools can install the unit safely.
What does CARB compliance mean for me?
CARB compliance means the converter meets California Air Resources Board emissions standards, allowing your vehicle to pass state inspections and avoid potential fines.
How long will the converter last?
Thanks to its stainless‑steel construction and robust clamshell design, the converter is built to withstand harsh environmental conditions and typically lasts the lifetime of the vehicle when properly maintained.
What warranty does MagnaFlow offer?
MagnaFlow provides a limited warranty that covers manufacturing defects. For specific warranty terms and claim procedures, please contact our customer service team.







Walker Catalytic Converter 93267 Stainless Steel Emissions Control
MagnaFlow Exhaust Catalytic Converter 51305 Stainless Steel Federal
MagnaFlow 94009 Pre-OBDII Universal Catalytic Converter, 3" Inlet/Outlet (EPA Compliant)
MagnaFlow Catalytic Converter 334016: 2.5"/2.5" Inlet/Outlet, California Grade, Universal Fit (CARB Compliant)
Reviews
There are no reviews yet.