Jet size

[Ruddy1975]

Hi guys/girls

I have an astra Vxr currently 581bhp
My jets I believe are 0.7 (have 2) and last time mapping was told I need bigger.
My fuel injectors are 725cc

Should I get 2x 0.9 jets or 2x1.0 jets

Any help be great

Thankyou.

[Richard L]

2x 0.9 should be on your current setting.