Dynomax manufactures performance exhaust kits and components, and is known for achieving noticeable power gains combined with a deep, throaty growl. Dynomax offers full kits, mufflers, and accessories for many domestic and imported vehicles, as well as components for custom build applications.

• Exhaust Pipe Kit – Header-Back – 2.25 in Pipe Diameter – Steel – Aluminized – GM Fullsize Truck 1973-87 – Kit – Brand: Dynomax – Part Number: 89004