Fabricage are the only ones who produce bdc spec for the 15. Cusco etc are all no use. I just got one a few weeks ago for my project. http://www.fabricageuk.co.uk/
1500 fully welded in. I had loads of other stuff done aswell though so i paid about 2k in total. Front and rear tubs. Custom Hydro custom other parts. Flocking. door cards canisters loads