SKUNK2 VTEC PRO SERIES INTAKE MANIFOLD HONDA H-SERIESSkunk2's engineers revolutionized Honda performance some 15 years ago by creating the first ever, high flow, cast aluminum intake manifold for the H22A F20B engines. The Skunk2 Pro Series Intake Manifold for Hondas H Series engines feature a larger plenum and long oversized runners when compared to the stock dual stage manifold, and are cast with thicker wall material, leaving room for further porting for high horsepower applications. Instead of