The Straight Stack 4 Inch I.D Aluminized - 48 Inches is a practical and versatile product that fits most makes and models. With its 4-inch ID and 48-inch length, it offers a perfect fit for various applications. Made from aluminized material, this stack is durable and resistant to corrosion. Whether you need it for your truck or any other vehicle, this straight stack is designed to deliver optimal performance. Sold individually, it provides a cost-effective solution for your exhaust system needs. Upgrade your vehicle with this reliable and efficient straight stack today.