The Chrome Straight Stack is a practical and versatile product that reduces from 7 inches to 5 inches in outer diameter, making it suitable for most makes and models. With a length of 48 inches, it provides ample coverage and functionality. The chrome finish adds a sleek and stylish touch to any vehicle. Please note that the image shown does not depict the reduced OD bottom. Sold individually, this straight stack is a reliable and efficient choice for enhancing your vehicle's performance.