Skunk2 Pro Intake Manifold - K20Z3 Style

NOTE: This intake manifold was designed as an improved option of the 8th Gen Civic Si RBC intake manifold. This manifold is plug and play on 8th Gen Si models. For 9th Gen Si models, you will need a proper fitting intake and aftermarket injectors (or OEM adapters). Please contact us if you are unsure of how to fit this on your 9th Gen Si. Skunk2's engineers went back to the drawing board when they set out to improve the already popular '06-'11 Civic Si’s RBC intake manifold. Each of Skunk2’s Pro Series Intake Manifolds for Honda’s K-series engines feature larger plenums and shorter, oversized runners when compared to the RBC, and are cast with thicker wall material, leaving room for further porting for high-horsepower applications. Instead of producing a manifold with a significantly oversized plenum and excessively short runners that would sacrifice mid-range power, Pro Series manifolds were designed for the “street enthusiast” who wants more power but doesn’t want to sacrific