Shorty Turbo Intake 4 Barrel. These are made in our California facility. We hand make these four-barrel manifolds to be super light weight with smooth transitions. The flange is CNC machined from 3/8" aluminum plate to prevent warping during the welding process and drilled for standard or 90 degree applications. We also provide a welded 5/16" thick tab for you to ad a support brace.MADE IN USA Only offered by FAST FAB!