ok i've been talking to the boss
He said he wont' do them out of fibreglass because he won't make any money out of it, to quote his phrase it'd be like "pissing in the wind"
If they were to be made of carbon fibre it's probably going to run around £300 a wing

but he's got to find out the cost of the raw materials. I know for a fact raw material has shot up in price and today when we were making the carbon rear diffuser i now realise just exactly how much work is involved in a making a carbon piece, it's really not that simple.
I can guess what people's answers will be, that the price is too high and yes i do agree but after you've factored in the amount of the material, the time it take to make the mould and the time it takes to make one panel it does kinda make sense.
Rx-7 rear diffuser is £320 including postage, so i guess that's the rough cost of carbon panels that size.
