My r32 rb25 went 419kw at 25psi on Eflex today.
Specs are:
Rb25det
Je pistons 1mm over
Eagle rods
Tomei poncams
11mm head studs
Greddy plenum
.82 Gtx 35 on 6 boost
Twin o44's and Id 1000's
Hks type r intercooler
3 inch exhaust
Starting to worry about the 33 box now so a power glide is on the cards next. Its pretty much a daily driver and i cruised home after it went on the dyno this arvo with the A/c cranked