i've got an rb20det, internally stock, stock injectors and AFM, SAFC, HKS 2530, Greddy 600x300x65 fmic, Grex oil cooler, 3" single dump and front, 3" hi-flow cat, 3.5" Apexi N1 catback, GTR fuel pump, rising rate fuel reg. Should be together and running this week and from all the research i've done i should make 300rwhp @ 1.2bar.