The Curved Stack 4 Inch I.D Aluminized - 36 Inches is a durable and versatile exhaust component designed to fit most makes and models. With a 4-inch ID and aluminized construction, this 36-inch long stack is built to last. Its curved design adds a sleek and stylish look to any vehicle while effectively directing exhaust fumes away from the vehicle. Sold individually, this stack is a practical and reliable choice for anyone in need of a high-quality exhaust solution.