The 5 Inch Plain Curved Stack is a practical and versatile product made from carbon steel, chrome plated, and aluminized materials. With a 5-inch outer diameter and a length of 84 inches, this stack fits most makes and models. Its plain curved design adds a sleek touch to any vehicle. Whether you choose carbon steel, chrome plated, or aluminized, this stack is built to last. Sold individually, this stack is a reliable and durable choice for enhancing your vehicle's performance.