SKUNK2 ULTRA SERIES STREET INTAKE MANIFOLD HONDA K-SERIES K20ASkunk2 Racing Ultra Series Intake Manifolds are the next generation of high performance intake manifolds. The much anticipated K Series Street model is now available. Proudly presented by the Skunk2 Racing engineering team, the Ultra Series is years of research and development, culminated in a multi piece cast aluminum intake manifold that offers advantages that only a modular design could allow. Features & Benefits Hi Grade Mounting Hardware 1. 82L