The Kenworth W900L 8 Inch Elbow is a practical and reliable solution for your truck's exhaust system. With a right-side design and 8-inch to 5-inch dimensions, this elbow features a 40-step and taper-loc reduction on the top side to accept an 8-inch O.D. stack. It fits most Kenworth 2003 and 2006 Aerocab W900L models and is sold individually. Check the OEM number M66-1270CP for compatibility. Upgrade your truck's exhaust system with this Kenworth W900L 8 Inch Elbow for improved performance and durability.