Intake manifold from RC-Turbo (some workshop in Thailand). 70mm to suit S90 which is on order. First choice was going to be Racefab but I got in just as Rob was getting out and selling the his manifold jigs (aargh), but this seems to be okay for the price (~USD$500).
rc-turbo.net/shop/intake-manifold/evolution-1-2-3-intake-manifold-4g63-70mm/