Skunk2 Ultra Race Series Billet Type R Manifold - Honda K20C1/ K20C4

The Skunk2 Billet Ultra-Race Series Intake Manifold for Honda K20C1 / K20C4 engines is engineered for high boost and significant power gains. It features tapered runners with trumpet profiled entries and CFD-optimized plenums, offering superior performance and durability compared to OEM plastic manifolds. Designed with provisions for secondary port fuel injectors, it supports high-horsepower engine and turbo setups. The runners are CNC machined from solid 6061 billet, and the plenum is cast from aircraft-grade A356 aluminum, finished with a Signature Skunk2 Ultra-Series nameplate. Its modular design allows for increased plenum volume with spacers and ported runners for enhanced flow, providing versatility for enthusiasts and engine builders.