- Roadworks 6 Inch Boilermaker Cut Exhaust Kit For Kenworth W900L With 40 Inch Boxes And Dual Cat.....Starting at $2,861.99RWKITKW16B96-GRoadworks 6 Inch Slash Cut Exhaust Kit For Kenworth W900L With 40 Inch Boxes And Dual Cat ConvertersStarting at $2,744.99RWKITKW16S96-GRoadworks 6 Inch Slash Cut Exhaust Kit For Kenworth W900L With 45 Inch Boxes And Single MufflerStarting at $2,744.99RWKITKW46S96-GRoadworks 6 Inch Boilermaker Cut Exhaust Kit For Kenworth W900L With 45 Inch Boxes And Single M.....Starting at $2,861.99RWKITKW46B96-GRoadworks 6 Inch Boilermaker Cut Exhaust Kit For Kenworth W900L With 40 Inch Boxes And Single M.....Starting at $2,861.99RWKITKW36B96-GRoadworks 6 Inch Slash Cut Exhaust Kit For Kenworth W900L With 45 Inch Boxes And Dual Cat ConvertersStarting at $2,744.99RWKITKW26S96-GRoadworks 6 Inch Boilermaker Cut Exhaust Kit For Kenworth W900L With 45 Inch Boxes And Dual Cat.....Starting at $2,861.99RWKITKW26B96-GRoadworks 6 Inch Slash Cut Exhaust Kit For Kenworth W900L With 40 Inch Boxes And Single MufflerStarting at $2,744.99RWKITKW36S96-GDiscover the ultimate in performance and style with our No Bend Top Stacks 6 Inch for semi trucks, meticulously designed to elevate your Kenworth W900L, W900A, and W900B models. Our premium selection includes 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, ensuring a perfect fit and superior durability. Enhance your truck's exhaust system with the Kenworth W900L T600T-800 W900A W900B 6 Inch Flat Top and 6 Inch Miter options. For those seeking a distinctive look, explore the Roadworks 6 Inch Boilermaker Cut and Slash Cut Exhaust Kits, available for Kenworth W900L with 40 Inch and 45 Inch Boxes, and compatible with dual cat converters or single mufflers. Each kit is meticulously crafted to deliver optimal performance and a sleek appearance, making your truck stand out on the road. Whether you need the 6 Inch Kenworth W900L 45" Box Step OEM Style Elbow Exhaust Kit or the Roadworks 6 Inch Slash Cut Exhaust Kit for Kenworth W900L with 45 Inch Boxes and Single Muffler, we have the perfect solution to meet your needs. Upgrade your semi truck today with our top-of-the-line exhaust kits and experience the difference in quality and performance. Additionally, explore our range of accessories for other models like the Ford F650, GMC Topkick, and Peterbilt 567. From shift knobs and shifter knobs to NOx sensors and snow socks, we have everything you need to keep your truck running smoothly. Convert 33mm to inches effortlessly with our handy tools and ensure your Ford Powerstroke 6.0 is always in top condition. Visit Freightliner Northwest for more options and take your trucking experience to the next level.