intercoooler sizing for blown ls1

[OFF T4P]

hey. as the title states what size intercooler should i use and what size piping. I am currently running a v2 at 6 psi but i am upgrading to a gilmore drive 7 or 8 psi and maybe a FI cam. its fitted to a vx ss

[Raptor Charged VX]

either 600*300 or 450 *300 cooler with 3 inch piping

[OFF T4P]

thanks mate. do you know of anyone the dose a kit with pipe work for a vx apart from capa they want to much.