The Freightliner Replacement Pipe is a practical solution for replacing the 04-15780-000 part in your Freightliner. This 5" 2 Bend ID/OD Pipe is made of aluminized material and fits most Classic Freightliner makes and models. With its reliable performance and easy installation, this replacement pipe ensures the smooth functioning of your Freightliner. Upgrade your vehicle with this high-quality replacement part today.