MagnaFlow 452367 Catalytic Converter with Integrated Exhaust Manifold - Front

CARB-Compliant Direct-Fit Manifold Converter

MagnaFlow 452367 is a California Grade, CARB-compliant direct-fit catalytic converter with integrated exhaust manifold for select Ford, Mazda, and Mercury applications. It is built for a bolt-on replacement on the front exhaust position, with stainless steel construction and a ceramic substrate for dependable emissions control.

Key Features

• Direct-fit design for the front exhaust position
• Integrated exhaust manifold with catalytic converter
• Stainless steel converter body and tubing
• Ceramic substrate material
• Bolt-on inlet and outlet for straightforward replacement
• Pre- and post-converter oxygen sensor locations
• CARB-compliant for listed California and CARB-restricted applications
• Includes gaskets and mounting hardware

Product Details

This MagnaFlow California Converters part is engineered to match OE fit and function using 3D scanning and direct-fit design validation. The spun-body construction and single laser fusion weld help reduce leak points, while the compact low-mass layout supports efficient heat management. Part number 452367 also cross-references AJ38-20-50XB and AJ03-20-50XL for the same application.

Compatible With 2001-2005 Ford Escape, front; 2001-2005 Mazda Tribute, front; and 2005 Mercury Mariner, front. This exhaust manifold with integrated catalytic converter is a fitment-based replacement for vehicles equipped with the listed engine and emissions configurations, including the 2001-2005 Ford Escape and 2001-2005 Mazda Tribute platforms.

Common Issues This Part Can Address

• Check engine light related to catalyst efficiency
• Failed emissions inspection on the listed vehicles
• Cracked or leaking manifold-converter assembly
• Corrosion in the original stainless or factory exhaust housing
• Fitment problems caused by damaged OE mounting points

Installation Notes

Installation is bolt-on and does not require cutting or welding when used on the listed applications. Use the included gaskets and hardware to help avoid reusing corroded factory fasteners or seals. Verify engine family, certification level, and front-position fitment before installation, especially on 2001 models with the specified build-date and emissions notes.

Quality Assurance

MagnaFlow uses 3D scanning and OE-style design replication during development to support fit and function on the listed vehicles. This converter is built to meet or exceed California Air Resources Board requirements for the specified applications and is approved for legal use in California and other CARB-restricted states where listed.