Is was checking out with RB25DET power thread and with performance wise he had the following mods and got a crazy power output.
93 R33GTST S1
Stock Turbo
Stock Internals
Stock intercooler
factory set boost
Power FC
pod filter(no CAI)
3" turbo back, high flow cat, 3" back, 4.5" tip - all stainless.
ss bov
New NGK iridiums (BCPR6EIX11- suited to RB20 but runs cooler with RB25 in our conditions)
caltex vortex (would have prefered ultimate but.....)
183.3rwkw (19/11/04)