Just did it ,used 2 1/4" filler hose...one 90 degree and one 45 degree bend piece joined by a short piece of 2 1/4" exhaust pipe. Worked great..about half the cost. Someone else posted 2" l.d.hose,but its 2 1/4".. Make sure its fuel filler hose too. Carquest had the hose made by gates.