The Grand Rock 8 Inch Length Pipe Reducer is a practical and versatile solution for reducing a 3 1/2 inch diameter I.D to a 3 inch diameter O.D. Made of aluminized material, this 8-inch long pipe reducer is designed to fit most makes and models. Its 3.5 inch ID reduced to 3 inch OD feature makes it a reliable and efficient choice for various applications. Whether for automotive or industrial use, this pipe reducer offers a durable and effective solution for reducing pipe diameters. Sold individually, this product is a convenient and cost-effective choice for your piping needs.