Reinforce rear suspension with true coilovers (spirited/track driving)

[Thefunk]

Has anyone here with true coilovers in the rear had to replace anything else to reinforce the rear suspension? Arms, bushings, braces, etc.

 

[ForSale24]

Has anyone here with true coilovers in the rear had to replace anything else to reinforce the rear suspension? Arms, bushings, braces, etc.

just need Toe arms! No changing of OEM bushing or braces nor any failure of parts, to speak of