DYNOMAX 89005 Dynomax 89005 Header-Back Exhaust Pipe Kit for 1973-1988 GM Full-Size SUVs

The Dynomax 89005 Exhaust Pipe Kit is a header-back replacement exhaust system designed for select 1973-1988 GM full-size SUVs. This kit provides the essential piping needed to replace worn, damaged, or corroded exhaust components behind the headers, helping restore proper exhaust routing and support reliable vehicle operation. Its application-specific design helps simplify installation compared with assembling separate replacement pipes.
The exhaust pipes are manufactured from steel with an aluminized finish. This construction provides a practical combination of strength, durability, and resistance to common exhaust-system corrosion. The aluminized surface helps protect the pipes from moisture, road debris, and everyday operating conditions, making the kit suitable for restoration projects, routine repairs, and replacement exhaust work on compatible GM vehicles.
Dynomax part number 89005 is configured as a dual exhaust pipe kit for applicable GM full-size SUV applications. Before installation, verify the vehicle year, model, engine configuration, existing header or manifold arrangement, and exhaust layout to confirm compatibility. Professional installation is recommended when exhaust components are difficult to access or when additional hardware, hangers, clamps, or connection pieces are required. Properly fitted exhaust piping can help maintain dependable exhaust flow, reduce the risk of leaks, and support a clean, secure installation.

Features:

• Application: Designed for select 1973-1988 GM full-size SUV models.

• Component Type: Header-back exhaust pipe kit for replacing downstream exhaust piping.

• Construction: Manufactured from durable steel for dependable service.

• Finish: Aluminized coating helps resist corrosion in common road and operating conditions.

• Configuration: Dual exhaust kit design for compatible vehicle applications.

• Brand and Part Number: Dynomax 89005.

• Installation: Application-specific replacement design helps simplify exhaust system repair and restoration.