The Kenworth W900L 7 Inch Elbow is a practical and versatile product designed to fit most makes and models. With its 7 Inch to 5 Inch size and Taper-Loc Reduction on the top side, it easily accepts a 7 Inch O.D. stack. This left side elbow is sold individually and features a 40 Step for added convenience. Check OEM Number - M66-1270CP for compatibility. Made with high-quality materials, this Kenworth W900L 7 Inch Elbow offers durability and reliability. Upgrade your vehicle's exhaust system with this efficient and functional product.