The 4 Inch OD Curved Dump Truck Stack Offset is a practical and efficient solution for dump trucks. Made with aluminized material, this stack offset offers durability and resistance to corrosion. Its curved design ensures optimal exhaust flow, reducing backpressure and improving overall performance. With a 4-inch outer diameter, this dump truck stack offset is compatible with various truck models. Enhance your dump truck's efficiency and longevity with this reliable and high-quality product.