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Shouldn't the runners sit flush with the plenum? Haven't seen it like you posted, before...
Also, how boost friendly are the flange/runner mating points? I have never seen one in a two piece design as posted above. Curious how well it will hold up to big boost.
Thanks!
Tekkie this is how my intake manifold is also
![](http://www.floridasr20s.com/gallery/albums/album14/DSC02458.jpg)
These type of manifolds flow better than flush mount style ones. The flush mount design is just more cost effective and easier to build.