Dorman 674-879 Catalytic Converter with Integrated Exhaust Manifold

Overview of Dorman Catalytic Converter with Integrated Exhaust Manifold

The Dorman 674-879 catalytic converter with integrated exhaust manifold is designed specifically for Subaru Legacy and Outback models. This one-piece exhaust component combines durability and functionality to help maintain your vehicle's emission control system.

• One-piece catalytic converter with integrated exhaust manifold
• Natural stainless steel finish with 0.125-inch tube wall thickness
• 7-inch converter body length and 26-inch overall length
• Flanged inlet and outlet ports with round shapes
• Ceramic substrate material for effective emission filtration
• Two sensor ports for oxygen sensor compatibility
• Includes outlet gasket and mounting hardware for outlet

Product Features and Specifications

The Dorman 674-879 catalytic converter features a stainless steel converter body that offers corrosion resistance and long service life. Its ceramic substrate efficiently reduces harmful emissions, meeting regular grade standards. The unit has two flanged round inlets and one flanged round outlet, designed to fit precisely on Subaru Legacy and Outback exhaust systems. The converter body length measures 7 inches, with an overall length of 26 inches, ensuring proper fitment and exhaust flow. The tube wall thickness of 0.125 inches adds structural strength to the manifold.

Compatible Vehicles and Fitment Details

This catalytic converter with integrated exhaust manifold is compatible with Subaru Legacy and Subaru Outback models. It is engineered to match the original equipment specifications for these vehicles, providing a direct replacement option. The part number 674-879 corresponds to this specific fitment, ensuring compatibility and ease of identification when searching for Subaru Legacy or Outback catalytic converter replacements.

Common Applications and Problem Resolution

• Replacement for damaged or rusted catalytic converters on Subaru Legacy and Outback
• Restores proper exhaust flow and emission control
• Helps resolve check engine light issues related to catalytic converter failure
• Improves vehicle emissions to meet regular grade standards
• Addresses exhaust leaks caused by manifold cracks or gasket failure

Installation Notes and Tips

Installation requires proper alignment of the flanged inlet and outlet ports, which are round in shape. The product includes an outlet gasket and mounting hardware for the outlet side; however, inlet mounting hardware is not included and may need to be sourced separately. Ensure oxygen sensors are properly connected to the two sensor ports provided. It is recommended to inspect all mounting surfaces and replace any worn gaskets or studs during installation to prevent exhaust leaks.

Quality Assurance and Warranty Information

Dorman catalytic converters are manufactured to meet or exceed OEM specifications for fit and function. This product is constructed with a stainless steel converter body and ceramic substrate for durability and emission control. Note that this part is not California Air Resources Board (CARB) certified and is intended for use in regions without CARB requirements. Warranty details should be confirmed with the distributor or manufacturer at the time of purchase.