Dorman 674-535 Exhaust Manifold - Left

Dorman 674-535 Exhaust Manifold for Mustang

Dorman 674-535 is a stainless steel exhaust manifold built for the left side of select Ford Mustang models. It is engineered to match the original manifold’s fit and function, with included gasket and downpipe hardware for a complete exhaust repair.

Key Features

• Stainless steel construction for exhaust durability
• Natural finish with round port shape
• Includes gasket and mounting hardware for the repair
• Direct-fit replacement for the left exhaust manifold location
• Fits 1999-2004 Ford Mustang, left

Detailed Description

This exhaust manifold is a direct replacement for the factory unit on 1999-2004 Ford Mustang left-side applications. Dorman 674-535 is precision-engineered to match OE fit and function, helping restore proper exhaust routing and sealing on the specified vehicle range. This part cross-references ATP 101270 and OE number XR3Z9431BC for the same application.

Built from stainless steel and finished in natural metal, this manifold uses a round port design and includes the gasket needed for installation. The package contents also include the manifold and studs, supporting a complete repair on the Ford Mustang exhaust system.

Common Repair Issues

• Exhaust leaks at the manifold flange
• Cracked or warped factory manifold surfaces
• Broken or corroded manifold mounting points
• Noise from a leaking left-side exhaust manifold
• Failed sealing between the manifold and cylinder head

Installation Notes and Tips

Fits 1999-2004 Ford Mustang, left. Verify engine-side and exhaust-side alignment before tightening fasteners, and inspect the mating surfaces for carbon buildup or damage before installation. Use the included gasket and hardware during assembly, and follow the vehicle service procedure for torque sequence and final checks.

Quality Assurance

Dorman manufactures this manifold as a direct replacement part for specified Ford Mustang applications, with fit and function matched to the original component. The stainless steel construction and included sealing components support a repair-focused installation on the listed vehicles.