Case in point: The early years of LS1 tinkering ... advantage of a sheet-metal intake is its customizability for specific applications. "People don't understand that an intake manifold is like ...

the ability to port the interior passages (thanks to a removable plenum cover), and an attractive ... to be a serious new contender in the LS-intake-manifold market. As is evident from the graph ...

Unless you've been sealed inside your garage tweaking your pro-street Vega's dual-quad tunnel ram setup for the past fifteen years, you've noticed GM's LS engines stuffed under the sheet metal of ...