The Lincoln 54 Inch Tall Short 30 Top Stack is a practical and high-quality product that fits most makes and models. With a 6-inch to 5-inch outside diameter and plain end, this stack is chrome plated and OEM quality. Its 54-inch tall and short 30 top stack design makes it a versatile option for various applications. Sold individually, this stack is a reliable choice for those looking for a durable and functional exhaust system component.