Ultimate Advantage Fuel System problems by year

Tl*the contact owns a 2004 ultimate advantage. The vehicle has a 32 foot, 454 chassis. The contact stated that the fuel line and manifold ruptured at 12,700 miles. The vehicle was parked in the driveway and the engine was cold at the time of failure. He stated that gallons of gasoline poured out like a small garden hose. There were no injuries. The fuel system design includes the rail with a metal pipe near the engine and the fuel hosing was secured to the bell housing. The warranty expired two weeks ago. The dealer agreed that the fuel system failed. The vin and powertrain were unknown. The current and failure mileages were 12,700.