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Originally Posted by flinchy

Theres already a thread on this

Huge gains have been seen on other platforms (like 50+ on rb/jz etc) so there's no reason a good one won't see gains for us.

Who says those manifolds were designed as well as ours? Ours may already be pretty damn efficient from the factory. Not to mention, most guys under 8-900+ didn't see a cost vs reward on the 1500+ dollar manifolds for the 2jz.