After speaking with them they have just offered me a £92 refund!, which in my book goes a long way. They didn't have to as the labour price is the labour price, it's down to me to make the decision wether to have it done or not. So that has at least gone towards me feeling not so bad about the whole day.
thats good of them, they must know thats a ridiculous price for fitting two decats
Again, another reason i should have known better, but i didn't think a small pipe would be much different between brands
neither did i until both pipes snapped in two after 6 months