Well you could look into microsquirt seems like a fairly cost effective system and has a lot of features for its price
Or I have heard of people using injectors out of a 106gti/Saxo vts BUT I've also heard from a few other people that have had them cause bore washing issues
Or I have heard of people using injectors out of a 106gti/Saxo vts BUT I've also heard from a few other people that have had them cause bore washing issues