plenum spacers are not necessary anymore. on the VQ35DE there was a design flaw there the plenum sloped down too much, limiting the amount of air getting to the forward two cylinders. that was fixed with the HR motor.
haven't seen a new intake manifold or any word about one yet.
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2009 NISMO # 0193 | QAB | Albums! | 05.04.10 (Dynojet) 291.94hp/248.28tq
Oil Cooler (DIY) | Custom Headlights | GTSPEC Braces | F.I. Long Tube Headers
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