Is an intake manifold an important part of a performance LS build? The answer is, obviously, yes. One need only look at the peak power difference between the least and most powerful intakes in this ...
Using the intake, components, and a 50/55 pulley combination from Speedmaster, The Blower Shop 6-71 supercharger pumped out a peak of 7.3 psi. The supplied boost pushed the peak power numbers to 753 ...