what gauges do i need?

[RGM1800]

basically what are the gauges needed with these ff mods

decat
ported manifold
fmic
ht leads
bkr6egp plugs
ct12 turbo
greddy bov
relocated air filter
mbc set at 12 psi

 

[Killamats]

boost and a/f gauge at most, unless setup is being programmed with a standalone/ġiggyback