fixon

we are planing to go Ls1 twing turbo.(2003 Gen3 from Austraila )
what kind of injector,
which brands,
and what size?
we are looking for 700hp at the wheel.

and what kind of map sensor?(should we change the sensor or just overwriting 2bar on from Hp tuner?)
also we are not using air flow sensor,(plese tell me how i turn off air flow sensor)
we are still using a Gm ECU
also we`ve got a Hp tuner.
shoud we right to start the Engine?

please give me some advises...

thank you