- Roadworks 6 Inch Stove Top Exhaust Kit For Kenworth W900L With 40 Inch Boxes And Dual Cat ConvertersStarting at $2,636.79RWKITKW16ST96-GRoadworks 6 Inch Stove Top Exhaust Kit For Kenworth W900L With 45 Inch Boxes And Single MufflerStarting at $2,636.79RWKITKW46ST96-GRoadworks 6 Inch Stove Top Exhaust Kit For Kenworth W900L With 45 Inch Boxes And Dual Cat ConvertersStarting at $2,636.79RWKITKW26ST96-GRoadworks 6 Inch Stove Top Exhaust Kit For Kenworth W900L With 40 Inch Boxes And Single MufflerStarting at $2,636.79RWKITKW36ST96-GPeterbilt And Kenworth 6.6 Inch Exhaust Kits With 5 Inch T PipeStarting at $2,811.89PY-BRC66AKSS-GFreightliner Classic And Kenworth 6.6 Inch Exhaust Kits Without T PipeStarting at $2,530.70PY-BRC6690AKSS-G7 Inch Kenworth W900A Under Frame OEM Style Elbow Exhaust KitStarting At$3,046.73DF-KB-705048CP-CHINO7 Inch Kenworth W900A Under Frame OEM Style Elbow Exhaust KitStarting At$3,046.73DF-KB-705048CP-CURVE7 Inch Kenworth W900A Under Frame OEM Style Elbow Exhaust KitStarting At$3,046.73DF-KB-705048CP-EAGCLW7 Inch Kenworth W900A Under Frame OEM Style Elbow Exhaust KitStarting At$3,046.73DF-KB-705048CP-OZZIE7 Inch Kenworth W900B Over Frame OEM Style Elbow Exhaust KitStarting At$2,886.05DF-KC-705048CP-CHINO7 Inch Kenworth W900B Over Frame OEM Style Elbow Exhaust KitStarting At$2,886.05DF-KC-705048CP-CURVE7 Inch Kenworth W900B Over Frame OEM Style Elbow Exhaust KitStarting At$2,886.05DF-KC-705048CP-EAGCLW7 Inch Kenworth W900B Over Frame OEM Style Elbow Exhaust KitStarting At$2,886.05DF-KC-705048CP-OZZIE7 Inch Kenworth W900L 45" Box Step OEM Style Elbow Exhaust KitStarting At$2,956.09DF-KV-705052CP-CHINO7 Inch Kenworth W900L 45" Box Step OEM Style Elbow Exhaust KitStarting At$2,956.09DF-KV-705052CP-CURVE7 Inch Kenworth W900L 45" Box Step OEM Style Elbow Exhaust KitStarting At$2,956.09DF-KV-705052CP-EAGCLW7 Inch Kenworth W900L 45" Box Step OEM Style Elbow Exhaust KitStarting At$2,956.09DF-KV-705052CP-OZZIE7 Inch Kenworth W900L 45" Box Step OEM Style Elbow Exhaust KitStarting At$3,134.28DF-KG-705052CP-OZZIE