Now Ulster face another RaboDirect PRO12 side Edinburgh in the semi-final in Dublin - and Ferris believes a place in the final at Twickenham is there for the taking.
"Our defence won it - I don't think they had a line break in the whole game and as a team we were outstanding in that area," said Ferris.
"It was a great team effort and we've put out a statement to European rugby."
"The Munster boys came out at us and with the crowd behind them we knew it was going to be a long afternoon.
"But we made a terrific start with Ruan (Pienaar) kicking the penalties over.
"Edinburgh have showed they are a good side and it's going to be tough, but we're looking forward to it."
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