What happened to Dato Sagor track?

Lets take for example a Wira 1.5Gli it comes stock with disc in the front plus 2pot calipers (i think) and drum brakes at the rear.

So if was wondering if wanna get better performance ..

1) Transplant ABS from a compatible Lancer set.

2) Upgrade the rear to disc also, upgrade the front to bigger ventilated disc, and upgrade calipers from 2pot to 4pot (for example).

I think (1) would be the obvious solution if doing an engine transplant as everything would be compatibe but if it wasn't a...