name the manifold

  1. #1


    as above, what brand is it if anyone knows, looks like a gmc 4-1 to me.
  2. #2
    I dont think its gmc cus its made from mild steel, where the gmc are stainless.

    Dont really know what it is tbh!
  3. #3
    are they? thought some were mild and some were stainless
  4. #4
    think it is a GMC, as they started out making them with mild steel, there now starting to make them out of stainless

    http://www.gmcmotorsport.co.uk/catal...2b65e2912ceee9
  5. #5
    so this would be good for my VTS with extensive headwork?

    or should i use a 4-2-1 instead
  6. #6
    think 4-1s work better on the 16valve engine mate so