Walker 16557 Catalytic Converter with Integrated Exhaust Manifold - Front

Overview of Walker EPA Catalytic Converter 16557

The Walker EPA Catalytic Converter with Integrated Exhaust Manifold (Part Number 16557) is designed for direct fitment on select Mitsubishi models. Engineered with a stainless steel body and ceramic substrate, this catalytic converter supports emissions control for Mitsubishi Eclipse, Endeavor, and Galant vehicles from 2004 to 2012.

• Direct fit catalytic converter with integrated exhaust manifold
• Constructed from durable stainless steel for corrosion resistance
• Ceramic substrate material for effective emissions filtration
• Single inlet and outlet with 7 bolt welded flange connection
• Compatible with Mitsubishi Eclipse, Endeavor, and Galant (2004-2012)
• Converter body length: 4 inches; overall length: 17 inches
• Round inlet and outlet port shapes with 1.75-inch inlet diameter
• Regular grade type, not CARB certified

Detailed Product Description

This Walker EPA catalytic converter (Part Number 16557) features an integrated exhaust manifold designed to replace the original equipment part on Mitsubishi Eclipse, Endeavor, and Galant models manufactured between 2004 and 2012. The converter body is made from stainless steel, providing durability and resistance to corrosion and heat. The ceramic substrate inside the converter efficiently reduces harmful emissions by facilitating the chemical reactions necessary to convert exhaust gases.

The converter has a 4-inch round body shape with a length of 4 inches and an overall length of 17 inches, ensuring a precise fit. It includes a single inlet and outlet, both round in shape, with a 1.75-inch inside diameter inlet connected via a 7 bolt welded flange. This design supports a direct fit installation, minimizing modification requirements.

Walker EPA Product Line Information

The EPA product line from Walker focuses on providing replacement catalytic converters that meet federal emissions standards. While this part is not California Air Resources Board (CARB) certified, it is engineered to maintain emissions control and vehicle performance for compatible Mitsubishi models. The EPA line balances quality materials and fitment accuracy to support emissions compliance in applicable regions.

Common Applications and Issues Addressed

• Replacement for damaged or rusted catalytic converters on Mitsubishi Eclipse, Endeavor, and Galant
• Restores proper exhaust flow and emissions control
• Resolves check engine light issues related to catalytic converter failure
• Improves vehicle emissions performance to meet federal standards
• Addresses exhaust leaks caused by manifold or converter damage

Installation Notes and Tips

This catalytic converter is designed for direct fit installation on specified Mitsubishi models, utilizing the existing 7 bolt welded flange connection. It is recommended to inspect the exhaust flange and mounting hardware for wear or damage before installation. Proper torque specifications should be followed to ensure a secure and leak-free fit. Professional installation is advised to maintain emissions compliance and vehicle performance.

Quality Assurance

Walker manufactures this catalytic converter with stainless steel materials and a ceramic substrate to ensure durability and effective emissions reduction. While no specific warranty information is provided, Walker products typically adhere to industry standards for quality and reliability. This part is engineered to meet federal EPA emissions requirements for the listed Mitsubishi vehicles.