Magnaflow California Direct-Fit Front Catalytic Converter

1990–1994 Subaru Legacy 2.2L & 2.2L Turbo

Part #: 337871

Overview

The MagnaFlow California Grade Catalytic Converter 337871 is designed to meet strict emissions standards while providing a reliable and efficient solution for your Subaru Legacy from 1990 to 1994. Crafted with precision and quality, this direct-fit catalytic converter ensures your vehicle remains compliant with California emissions regulations, helping you pass inspections and maintain optimal performance.

Ideal for Subaru enthusiasts who want a straightforward, hassle-free installation, this converter is perfect for daily drivers, restorers, or those seeking to replace a worn or damaged OEM component. Its robust construction and advanced design help reduce harmful emissions while supporting your vehicle's overall health and efficiency.

Key Features

MagnaFlow's California Grade catalytic converter features several innovative design elements that set it apart:

• Mandrel-bent tubing to eliminate flow restrictions, ensuring smooth exhaust flow and optimal catalytic efficiency.
• Stainless steel construction provides excellent resistance to corrosion and high temperatures, extending the lifespan of the converter.
• State-of-the-art 3D scanning technology used in the design process guarantees a precise fit for your Subaru Legacy, simplifying installation and ensuring proper alignment with existing exhaust components.
• Direct-fit design means no cutting, welding, or modifications are required, making DIY installation accessible with basic tools.
• California Grade certification ensures compliance with strict emissions standards, helping your vehicle pass state inspections and reducing environmental impact.
• High-quality materials and manufacturing processes ensure durability and consistent performance over time.
• Engineered to help keep the check engine light off by effectively converting harmful exhaust gases into less harmful emissions.
• Designed specifically for the Subaru Legacy models from 1990 to 1994, ensuring compatibility and optimal performance.

Construction & Design

This catalytic converter is constructed from premium stainless steel, which provides excellent resistance to rust, corrosion, and high-temperature conditions commonly found in exhaust systems. The mandrel-bent tubing design ensures unrestricted airflow, promoting better engine breathing and efficiency. Using advanced 3D metrology, MagnaFlow engineers meticulously designed this converter to match OEM specifications, ensuring a perfect fit without the need for cutting or welding during installation.

The converter's compact, direct-fit housing is engineered for durability and ease of installation, making it an ideal choice for both professional mechanics and DIY enthusiasts. Its robust build quality ensures long-lasting performance, even under demanding driving conditions.

Performance & Emissions

While this catalytic converter is primarily designed to meet California emissions standards, it also offers reliable performance benefits. By effectively converting harmful pollutants such as carbon monoxide, hydrocarbons, and nitrogen oxides, it helps your vehicle operate cleaner and more efficiently. The mandrel-bent design minimizes flow restrictions, supporting better exhaust flow and helping to maintain or improve engine responsiveness.

Installation & Fitment

The MagnaFlow California Grade Catalytic Converter is a direct-fit replacement that requires no cutting, welding, or modifications. Its precise design ensures compatibility with your Subaru Legacy (1990–1994) 2.2L and turbo models. Installation is straightforward using basic hand tools; however, professional installation is recommended if you are unfamiliar with exhaust system work. Proper torque and alignment are essential for optimal performance and longevity.

• No cutting, welding, or special tuning required
• Designed for easy bolt-on installation using factory mounting points
• Includes all necessary hardware and mounting brackets for a secure fit

What's Included

• Complete catalytic converter assembly with stainless steel construction
• All necessary mounting hardware and brackets
• Installation instructions

Ideal For

• Subaru Legacy owners seeking a California-compliant catalytic converter
• Drivers needing to replace a damaged or worn OEM converter
• Enthusiasts aiming to maintain emissions compliance while ensuring reliable exhaust performance
• DIYers looking for an easy, no-weld installation solution

Emissions Note

This catalytic converter is California Grade and CARB compliant, making it legal for on-road use in California and other states with similar emissions regulations. It helps your vehicle meet strict emissions standards and pass state inspections, contributing to a cleaner environment and reliable vehicle operation.