- Roadworks 8 Inch Stove Top Exhaust Kit For Kenworth W900L With 45 Inch Boxes And Dual Cat ConvertersStarting at $3,650.99RWKITKW28ST96-GRoadworks 8 Inch Stove Top Exhaust Kit For Kenworth W900L With 40 Inch Boxes And Single MufflerStarting at $3,650.99RWKITKW38ST96-GRoadworks 8 Inch Stove Top Exhaust Kit For Kenworth W900L With 40 Inch Boxes And Dual Cat ConvertersStarting at $3,650.99RWKITKW18ST96-GUpgrade your semi truck with our premium Short Bend Top Stacks 6 Inch, meticulously designed for optimal performance and style. Perfect for Kenworth W900L, W900A, and W900B models, our exhaust kits include the 6 Inch Kenworth W900L 40" Box Step OEM Style Elbow Exhaust Kit, 6 Inch Kenworth W900A Under Frame OEM Style Elbow Exhaust Kit, and 6 Inch Kenworth W900B Over Frame OEM Style Elbow Exhaust Kit. Enhance your truck's look and efficiency with options like the Kenworth W900L 45" Box Step OEM Style Elbow Exhaust Kit and the versatile Kenworth W900L T600T-800 W900A W900B 6 Inch Curve. For those seeking a robust exhaust solution, consider the Roadworks 8 Inch Stove Top Exhaust Kit, available for Kenworth W900L with 40 or 45 Inch Boxes and dual or single mufflers. Whether you need a 6 Inch Short 30 or a 6 Inch West Coast Curve, our top-quality products ensure your truck stands out on the road. Shop now for the best in semi truck exhaust systems and experience unparalleled performance and durability. Additionally, explore our range of accessories for other models like the Ford F650, GMC Topkick, and Peterbilt 567. Convert measurements effortlessly with our tools for 33mm to inches and 105mm to inches, and find compatible parts like the Wix 51056 to Microgard filter. Our universal adapter plate fits Hella 010946281, and we also offer 57 inch tail lights and the Ford Powerstroke 6.0. Don't miss out on enhancing your truck's performance and style—shop now and drive with confidence!