Im not sure I was quoting what I read on bimmerpost. I am assuming it means stage 3 intake manifold compared to a stage 1 intake manifold, I was kind of hoping someone could explain the exact difference.
Im not sure I was quoting what I read on bimmerpost. I am assuming it means stage 3 intake manifold compared to a stage 1 intake manifold, I was kind of hoping someone could explain the exact difference.