If Im wrong I stand corrected, but we do know that these wont really produce HP, rather just allow your truck to shoot up to the higher RPM range faster. And we all know thats where the power is.
Now, Im not in no way savy with Dyno sheets but maybe there is away to see this comparison on one.
I replaced my E36's clutch with a lightweight carbon fiber/Kevlar unit with a forged aluminum lightweight flywheel from Rogue Engineering and immediately noticed that it rev'd much faster but I also actually lost MPG! The car was quicker in gears 1-3 but was slower at 70-80mph passing. Overall I was very happy with my investment but I would like to know more about NST's approach.