ok i installed the agp wastegate using the factory hoses and i am spiking 20psi holding 17-19 depending on what gear im in 1st is 14psi
2nd spike 19 hold 17 3rd spike 20 hold 18 4th spike 20 hold 18-19 havent done 5th yet
so is this safe on stock fuel system and stock intercooler

 

Anything over 19psi, the intercooler and turbo dont flow right. Although S1 ups the spark knock from 18 to 24psi

 

so ill be fine at those pressures that im holding?

 

sounds a little agressive on stg1 mod but i may be wrong.

 

It is a bit aggressive, your gonna need more fuel for the higher PSIs.

 

so should i get bigger injectors or what?

 

I wouldn't set it to exceed 17 with your setup.

 

If you get bigger injectors you'll need something like an SAFC to control the fuel.