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I think a good question to ask, has anyone mapped after market cams, manifolds on a stand alone ECU, I feel this would net good results too, having control of fueling and ignition is a major bonus, after all the stock inlet will flow enough to make good power, you may be able to use an auxiliary port on the ECU to run the stepper motors for the VIS, although, personally I would map around it.
As much as I like the carbon inlet on Steve's I really think gains could be made through mapping and basic mods, or if this type of inlet is something you want then have an aluminum plenum and runners fabricated this will allow you to graft the shape to accommodate space without compromising the flow, 5 ltr plenum with some tuned runners isn't a difficult job.
This complete set-up is all made in house and the hardest part was the designing
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