Assuming your factory supercharged V6/L67 is in good working order and run 98 octane fuel, then you'll be able to upgrade to a 10psi pulley without an intercooler or a tune without any issues.
I have been told I will need an intercooler because of the extra heat produced in the supercharger by upgrading to a 10psi pulley. Is this right as I have been told I dont need an intercooler by some people
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