P.S i have a PFC and i liked it for the fact that it had a base map so i could drive it around and it was Plug & Play (no wiring needed). Most full ECU replacements need wiring & sometimes extra sensors.

Hondata, pro ECU & Chrome need chipping (i'm not that technical so i never bothered, and was too scared to soldier it myself)

Most piggybacks also need wiring, but some have plug & play looms i.e greddy.