Nigel has been tuning my car since November.Here are the results.
S15
fmic,exhaust,pfc,ebc .............. ...... 180rwkw
Greddy T518Z,afm,dump,inj,pump....200rwkw
Tomei step 1 cams............................235rwkw
HPI exhaust manifold .......................242rwkw
I am replacing the 80mm exhaust with a 94mm next week.
Car has standard bottom end,done 179,000km and runs 20psi boost everyday.
Nigel was the fifth and last tuner to work on my car,I cant say enough about this guy.