The Kenworth W900L 6 Inch Elbow Right Side is a practical and efficient solution for your truck's exhaust system. With a 6-inch to 5-inch taper-loc reduction on the top side of the elbow, it easily accepts a 6-inch O.D. stack, providing a secure and reliable fit. This high-quality elbow features a 45-step and fits most Kenworth 2003 and 2006 Aerocab W900L models. With its durable construction and precise design, this Kenworth W900L 6 Inch Elbow is a must-have for any truck owner looking for a reliable and long-lasting exhaust solution.