we tried to make the runners as short as possible, but you have to have a certain height of the top flange to make the GTR plenum fit above the valve covers, so the runner lenghts is quite determined by technical limitations.
everything will be made out of aircraft aluminum to save weight. According to the CAD design program the whole part will be around 2.3kg / 5pounds so its slightly more than the stock cast lower manifold.
You are absolutely right, my primary goal is always to achieve performance gains with the stock tune and the ECU re-calibration itself for the higher air flow.
As it is proven to work with e.g. the STILLEN Gen3 this should also work with a better intake manifold design - first dyno tests will show :-)
Chris
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ProStreet N1 exhaust | ProStreet N1 Y-Pipe | STILLEN G3 Intake | NST Pulley Kit
EIBACH Pro-Springs | EIBACH Pro-Spacers | EIBACH Sway Bars | SEIBON GT2 Rear Wing
MOCAL Oil Cooler 25row| STILLEN TransCooler | STILLEN PS Cooler | STILLEN Front Fascia
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