i'm running an 18g right now and i just got the internal wastegate welded shut. i'm also running a blox b series turbo manifold with an ultragate38 external wastegate. here are my mods. . hondata s200b all options dsm 450s aem fpr blox t3 flanged turbo mani turbosmart ultragate 38 ex. wg skunk2 intake manifold greddy 2.5 to 3 in downpipe greddy evo 2 exhaust greddy manual boost controller greddy type rs BOV precision 375 fmic greddy 18g 1.75 hot 2.25 cold ic piping @ what psi would i need to make 300 whp? that's my goal. i remember talking to greddy a while back and i remember marshall saying that the max amount of psi that the 18g is able to put out is around 26 or 32 psi. would i even be in this psi range if i wanted to make 300whp? any info would be great. thanks a lot guys!!!