Ah, going for ITB's, good choice. Which ones are they?
If you're looking for an alloy inlet mani, this is on ebay at the moment and the alloy mani was made by danST engineering who has a good background with manifolds for ITBs and flange plates etc.
http://www.ebay.co.uk/itm/GSXR-1100-bodies-with-inlet-to-fit-fiesta-zetec-s-puma-1-7-/271007278989?pt=UK_CarsParts_Vehicles_CarParts_SM&hash=item3f194ae78d" onclick="window.open(this.href);return false;