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Originally Posted by RCZ Sorry to respectfully disagree. So...GTM advertised 460whp at 8psi on 93 OCT w/ 2.5" exhaust and 420whp @ 8psi with stock exhaust in their press release
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The370Z.com Sponsor
Join Date: Feb 2009
Location: Simi Valley, CA
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Quote:
Boost is back pressure. The stock exhaust is as restrictive as it gets. When you relieve back pressure in a force inducted application, you have a PSI drop off but you pick up torque and power. Now it seems like this SC is capped @ 8 PSI. What that tells me is that no matter what you do to it, it cannot move enough volume to move more air than 8 PSI. Put the larger stage II or III head unit on it create more volume and turn the boost up, period! The garbage idea of leaving a stock exhaust on a force inducted car is one of the most outrageous things that I have ever heard...
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