its a copy of the JUN manifold, the standard 3SGTE throttle body is 55mm for gen2 and 60mm for gen3.
i dont think an 80mm throttle body is warranted on anything but a crazy drag car or dyno car. i run 55mm with an adapter to lose the stock gen2 funnel. from RMR racing, and i also have an RMR inlet manifold.
http://www.rossmachineracing.com/2ndmr2mani.html
for 1500 get a used RMR one![]()
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