The 5 Inch Expanded/Slotted Straight Stack is a versatile and durable product available in carbon steel, chrome plated, stainless steel, and aluminized options. With a 5 inch ID and 24 inches in length, it fits most makes and models. This straight stack is designed to enhance the performance of your vehicle's exhaust system. Its expanded and slotted design allows for improved airflow, resulting in better fuel efficiency and increased horsepower. Choose from various materials to suit your specific needs. Upgrade your exhaust system with this practical and reliable straight stack.