Motordyne and Z1 port?

DEpointfive0

Why? It has great gains...

My DE.50 manifold is exactly the same and it performed amazing

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Eighties Meta

Yes, i agree, then i added z1 headers and test pipes and lost all my mid-range torque from 266 down to 254 again . Gained some top power but 4-5 hp. I think if i went back to stock manifold i'd have a better running top end as now without the mid range pain its annoying with the m370 loss on the top which the z1 headers help counter, but no more track days for me so i dont really care about that extra torque at 3rd on the track anyway.

Thats my reasoning, whether idiotic or not.

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2009 370z Touring 7AT/AAM 2.5 true dual exhaust/AAM DE test pipes/z1 vqde35 headers/AAM cold air intake (R-line)/Motordyne M370/Quaife LSD/z1 brake upgd pkg/Swift Spec-R springs/WhiteLine Front&Rear sway bars with endlinks