No one wants an ugly plastic intake on there LS. Don't go get a cheap aluminum one that's going to get scratch and crushed as soon as you install it.
UNIVERSAL 4" INCH CHROME INLET JDM SHORT RAM/TURBO AIR FLOW RED INTAKE FILTER
Universal 4 inch 102mm Turbo Screen Mesh Air Inlet Filter Guard
Universal 4 inch Leaf Spring Lowering Block Kits, 5" Length x 2-1/3" Width Block
Spectre 81403 Universal 4" Air Intake Mass Air Flow MAF Sensor Adapter
4 Inch Cold Air Intake Kit w/ Filter for Universal LSX LS1 LS2 4.8L/5.3L engines