Originally Posted by
botters
to be honest mate with most of the primaries being welded to each other on that manifold then i would say it will keep on warping regardless of what you do to it
its a hks manifold, from what i can gather its done 29000 miles and 4000 miles ago the new turbo was fitted where they cut of the vband turbo mount flange and had a t4 footplate flange welded on, i would say the warp has come from where the foot plate flange was cut off and new one welded on they probably didnt have it bolted on a jig when they done it.
once its flat as long as everything will still fit it will be fine im sure.
the picture isnt the actual manifold just a reference similar hks manifold pic.