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on stock internals 14 psi is very dangerous though. so 12psi is the safest without doing any internals work. the p1 is definitely more than capable of doing 12psi and at times with good ambient air temps you could see 13psi. it also depends on the efficiency of your engine. some may see lower psi numbers if the engine is pretty efficient but the same dyno numbers of the higher psi guys
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