Dorman 674-704 Exhaust Manifold - Right

Dorman Exhaust Manifold for Camaro and Firebird

Dorman 674-704 is a cast iron exhaust manifold built for the right side of select 1990-1992 Chevrolet Camaro and Pontiac Firebird models. It is engineered to match the original manifold’s fit and function, and it includes the gaskets and downpipe hardware needed for a complete exhaust repair.

Key Features

• Cast iron construction for exhaust durability
• Natural finish with round port shape
• Right-side application for select Camaro and Firebird models
• Includes manifold gasket, flange gasket, studs, and springs
• Direct replacement format for OE-style service
• Part number 674-704 for easy identification

Detailed Product Overview

This Dorman exhaust manifold is made for 1990-1992 Chevrolet Camaro, right, and 1990-1992 Pontiac Firebird, right. It is designed as a replacement for the original exhaust manifold on these applications, with a cast iron body that supports long-term exhaust service. The round port design and included sealing components help simplify repair work on the affected exhaust side. If you are replacing a cracked, warped, or leaking manifold on a Camaro or Firebird, Dorman 674-704 provides the correct fitment profile for the listed vehicles.

This part cross-references 101365 and 10115724 for the same application.

Common Repair Applications

• Exhaust manifold cracking on the right side
• Exhaust leaks at the manifold-to-head sealing surface
• Flange sealing issues at the downpipe connection
• Noise from a damaged or warped manifold
• Service replacement for worn OE exhaust hardware

Installation Notes and Tips

Verify right-side fitment before installation on 1990-1992 Chevrolet Camaro and Pontiac Firebird models. Inspect the cylinder head surface, fasteners, and downpipe connection for damage or corrosion before assembly. Use the included gaskets and hardware during installation, and confirm proper alignment of the manifold and exhaust connection before final tightening.

Quality Assurance

Dorman manufactures this exhaust manifold to match the fit and function of the original part on the specified vehicles. The cast iron construction and included sealing components support a complete repair for the listed Camaro and Firebird applications.