Talk:RR3 Wiki:Upgrades Strategy For 100% Completion/@comment-61.245.163.91-20161221163021/@comment-27945602-20161221163634

On Supercar Clash you need 57 ( 6443233)  on Ferrari and that cost 86 gold. On C.F.S. your car need 58 ( 5443333). That means you first upgrade (5443233) and then 3rd exhaust upgrade and that cost 10 gold. You alrady spent 86 gold so actual cost is 10 gold on C.F.S.