Based on my personal experience... (Except for the 88-91 Lancer)

Sirang bushing/stabilizer etc will result to the following:

Kalampag
Affect vehicle stability (cornering/acceleration/braking)
Affect alignment and camber

(Yung Lancer ko bigla na lang tumirik )

If wala kang nararamdaman/nakikitang/naririnig na issue... Baka pwede pa maghintay ng 5 years.

Pero 5 years later... May pagagawa ka nanaman ulit. Paluma nang paluma yung car, palaki mg palaki ang gastos.