The Grand Rock 8 Inch Length Chrome Pipe Reducer is a practical and versatile solution for reducing a 6-inch diameter I.D. to a 4-inch diameter I.D. This aluminized pipe reducer is 8 inches long and fits most makes and models, making it a convenient option for a variety of applications. Sold individually, this durable and reliable pipe reducer is a cost-effective choice for anyone in need of a 6-inch ID reduced to 4-inch ID solution.