It proved to be the correct decision and despite having struggled to clear the second from last fence, the seven-year-old powered away from the rest of the field in the closing stages to ease across the line.
"It was a massive decision not to race Hurricane Fly. [Faughen] is a wonderful horse. It was awkward at the second last, but it didn't matter. He's not slow," Walsh told Channel 4.
In the Hurdle, Arctic Fire and Hurricane Fly made up the places, which made it a 1-2-3 for trainer Mullins.