Flashpro or suspension mods??

What up guys i got 08 tl type s, i just installed xlr8 quad non res exhaust, xlr8 v2 j pipe and ur pulley

Idk what to do next
Either aspec lip kit, tein coilovers, or flashpro and dyno

I have no budget and im lost on what to do next i keep goin back and forth between them all

I need some opinions on what u guys would do

Also if u think their are any other mods i should do before i tune please let me no, i want mods that would be worth it

Thanks guys