Assuming 8 psi is a safe boost level, long tubes and catback may produce more power than some people are figuring. At 5~psi on stock cats and exhaust those are nice gains. I would immagine a full exhaust would get close to 400 whp at 5~ psi. Looking foreward to more updates and results. Also, is it a recirc or open setup? My guess is recirc.
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