MagnaFlow 441005 Catalytic Converter - Rear, Rear Left or Rear Right

California OBDII Catalytic Converter for 2.25in. Exhaust

MagnaFlow 441005 is a California Grade CARB-compliant universal catalytic converter built for 2.25-inch inlet and outlet exhaust systems. It uses a stainless steel body and tube construction with a ceramic substrate, and the universal weld-on design allows custom installation on a wide range of vehicles.

This MagnaFlow California OBDII catalytic converter is engineered to meet or exceed California Air Resources Board requirements for listed applications. It is a practical replacement for drivers needing a CARB Executive Order-approved converter for select Ford Mustang, Toyota Tacoma, and Chrysler Crossfire applications.

Key Features

• Universal fit catalytic converter with 2.25-inch inlet and outlet diameters
• CARB-compliant design for listed California and CARB-restricted state applications
• Stainless steel body and tube material for corrosion resistance
• Ceramic substrate for exhaust emissions control
• Oval clam shell body with attached heat shield
• Weld-on inlet and outlet connections for custom exhaust fabrication
• MagnaFlow part number 441005 for application lookup and ordering

Product Details

The MagnaFlow 2.25in. Universal California OBDII Catalytic Converter, part number 441005, is designed for vehicles that require a weld-in replacement and CARB-approved emissions compliance. Its universal layout gives installers flexibility during exhaust repair, while the stainless steel construction supports long-term durability in demanding underbody conditions. This converter is listed for a broad range of applications, including 1995-2006 Ford Mustang, 2000-2004 Toyota Tacoma, and 2001-2006 Chrysler Crossfire rear right fitments, along with additional Audi, Lexus, Mercury, Nissan, Jeep, and other select models.

For shoppers searching for a 2.25-inch universal catalytic converter for Ford Mustang rear left or rear right applications, or a CARB-compliant replacement for Toyota Tacoma rear exhaust service, MagnaFlow 441005 provides a direct emissions-focused solution for the listed vehicles.

What It Helps Address

• Check engine light concerns related to catalytic converter efficiency
• Failed emissions testing on listed CARB-approved applications
• Corrosion damage to an existing exhaust converter body
• Need for a weld-in replacement during exhaust repair
• Replacement of a worn converter on select Ford Mustang and Toyota Tacoma models

Installation Notes

Cutting and welding are required for installation. This converter uses weld-on inlet and outlet connections and does not include mounting hardware, gaskets, clamps, hangers, or oxygen sensor provisions. Verify the vehicle’s engine family, position, and CARB Executive Order requirements before installation to confirm the listed application.

Quality Assurance

MagnaFlow builds this California Grade converter to meet CARB guidelines for legal use on the listed vehicles in California and other CARB-restricted states. The stainless steel construction and ceramic substrate are selected to support emissions performance and durability in a universal replacement format.