MagnaFlow 441174 Catalytic Converter - Front Left or Front Right

California OBDII Catalytic Converter

MagnaFlow 441174 is a 2-inch universal California OBDII catalytic converter built for select front left and front right applications on Ford, Mazda, Lincoln, and Mercury vehicles. It uses a stainless steel body with a ceramic substrate and CARB-compliant construction for listed California and CARB-restricted state applications.

The MagnaFlow California Grade line is built for vehicles that require a legal replacement converter meeting California Air Resources Board requirements. This universal design requires cutting and welding during installation, making it a practical option when an OE-style direct-fit part is not available for the exact exhaust layout.

• Universal fit with 2-inch inlet and outlet diameters
• CARB-compliant for listed vehicles in California and CARB-restricted states
• Stainless steel body and tube construction for corrosion resistance
• Ceramic substrate for emissions control performance
• Oval clam shell body with integrated heat shield
• Weld-on inlet and outlet connections
• Part number: 441174

Product Details

MagnaFlow 441174 is designed for 2-inch exhaust systems and measures 11.5 inches overall with an oval body profile. The converter features an angled weld-on inlet, straight weld-on outlet, and no oxygen sensor ports, so it is intended for applications that match those specifications. For shoppers searching for a California OBDII catalytic converter for Ford Ranger, Mazda B3000, or Ford Mustang front left/front right positions, this part covers a wide range of listed model years and engine families.

Compatible vehicle coverage includes select 1994-2004 Ford Mustang, Ford Ranger, Mazda B3000, Mazda B4000, Lincoln Continental, Lincoln Town Car, and Mercury Grand Marquis applications. Part number 441174 appears in listings for multiple front left and front right positions, depending on the vehicle and engine family.

Common Problems It Can Address

• Failed emissions testing on a listed California application
• Check engine light concerns related to catalytic converter efficiency
• Replacement needs after a damaged or restricted converter
• Corrosion-related exhaust deterioration in the converter section
• Need for a CARB-compliant replacement on select Ford, Mazda, Lincoln, or Mercury vehicles

Installation Notes

Installation requires cutting and welding. Verify inlet and outlet diameter, body dimensions, position, and engine family before ordering. This converter does not include mounting hardware, gaskets, clamps, hangers, or oxygen sensor provisions. For fitment-based searches, confirm the exact application such as Fits 2000 Ford Ranger, front left; Fits 2003 Mazda B3000, front right; or Fits 2001 Ford Mustang, front right.

Quality Assurance

MagnaFlow 441174 is built to meet or exceed California Air Resources Board requirements and has undergone additional testing for CARB guideline compliance on the listed vehicles. This California Grade converter is intended for legal use only where the specific vehicle application is approved under the CARB Executive Order coverage.