photos 1, 2 I was lucky to have a set of blueprints to start this project with, instead of having to draw up a template myself. A good friend and fellow 240Z racer is a bridge engineer, and he provided me with this schematic. Supplies and costs: 24"x24" sheet of .025" 5052 anodized aluminum - $25, 6" long x 3" diameter thin wall aluminum tube - $5, three holesaw drill … [Read more...] about BUDGET AIRBOX, part 2