im thinking of buying an FPR too.
i know most cars run at 2 - 2.5psi standard right? correct me if im wrong :)
but if i bump it up to 3psi, or 4psi.. will there be a power gain? acceleration, top speed? BHP?
i know 5psi is not safe as someone on here tuned it to 5psi and it burst his fuel pipe...