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Hi everybody Looking to upgrade the inlet manifold on my rb30dett and just wanting to know if there's any options beyond hypertune out there that might fit my requirements. Specifically: 1) I definitely will be retaining the 6 x ITBs. 2) I want to run a 100mm/4" inlet diameter, in anticipation of going to a full 4" intercooler and turbo outlet system once I convert to a single turbo. The last time I looked into this hypertune seemed to be the only item that could meet these requirements but I thought that since then something else might have entered the market. I basically want a nice big plenum with a quality, machined face to bolt on, seals properly, that flows nicely and distributes flow to the rear cylinder. The hypertune price range would be the upper end of what I'm hoping to pay and if anyone can recommend a good Australian distributor that I can chat to that would be great. Also, are there any issues I might have particularly with a deck height that is now +38mm, eg: clearance with clutch mcs etc - I'm already assuming I may need to go to an r33 style clutch mc. I am currently running the factory fuel rail with 1000cc injectors but all the ones I've seen have factory mounts for the rail as well. But any other tips on clearances and fitment etc would be greatly appreciated. Thanks in advance.