I say B16A (P30/P08) chipped.
This way the chip can increase your rev cut which e-manage cannot do.
This include speed cut form standard ecu.
Fueling/timing all can be taken care by emanage.
Even though the Fiat 500C and Punto Evo have already received a healthy dose of the Abarth treatment, Fiat are still adamant on putting more hot in these hatches...