Sundowns beat Orlando Pirates in the semi-finals whilst Tigers were victorious over African Warriors to book a place in the final.
Goals from Ntandoyenkosi Ngubane, Hlompho Kekana, Leonardo Castro and Eric Ntlaba were sufficient to see 'Downs lift the trophy.
The visitors suffered an injury blow within the first five minutes of the match as Anthony Laffor was stretchered off and replaced by Ngubane.
The substitute made an immediate impact as he latched onto a ball from Sibusiso Vilakazi and fired a brilliant volley into the back of the net.
Tigers equalised only a matter of minutes later as they hit the PSl champions on the break.
It wasn't long before Bafana ba Style reasserted themselves and it was Kekana who profited from a Billiat free-kick.
Once again Tigers hit back to level things but Billiat wasn't done terrorising the opposition as he set up Castro to restore the lead in the 41st minute.
After the break Billiant's endeavour earned him a third assist as he set up Eric Ntlaba to give Sundowns a two goal cushion in the 52nd minute.