The Argentine, returning to the San Paolo stadium for the second time since his acrimonious exit last year and booed throughout, did not celebrate his goals which gave Juve a 5-4 aggregate win over Napoli in the two-legged semi-final.
The holders appeared to be cruising as they led 2-1 on the hour but two quick Napoli goals, the first following a howler from Juve goalkeeper Neto, forced them to resort to time-wasting and gamesmanship in the last 20 minutes.
Juve, who will face Lazio in the final, stayed on course for a possible treble as they lead Serie A by six points and have reached the Champions League quarter-finals.
By a quirk in the fixture list, it was the teams' second meeting in four days at the San Paolo following Sunday's 1-1 draw in Serie A which Napoli dominated.
Higuain, previously a hero with Napoli fans until Juventus triggered a buyout clause in his contract and signed the striker in July, made little impact then but was not so subdued second time around.
Read the full article on eurosport.co.uk: Higuain brace takes Juve to final despite Napoli defeat