Speedmaster Introduces Chevy/GM LS3 Dual Plane 4150 Midrise Air Intake ...
A carb style intake manifold for your LS3-swapped muscle car, from Speedmaster.
VIDEO: LOD Performance’s Aluminum LS3 X1 Intake Manifold
L.O.D Performance is throwing their hat into the ring for the title of the "Ultimate" LS3 intake manifold. We take a closer look...