Corsa-B.uk - Vauxhall, Opel and Holden Corsa B Owners Club

i have a back box and going to fit it the weekend

i want a full system onto my car could i keep this backbox and get the system added onto it
as longlife have moved to swansea i think il pop up there to see if they can do it

but can it be done and at what price

jus need 2 get a centre section done,powerflow charged me £70 for my corsa sport