Skunk2 Pro Series Intake Manifold Black - 2006-2011 Honda Civic Si K20Z3 - 307-05-0325 1.5" to 1.75" 2 x 1/8 inch NPT

2 x 1/8 inch NPT and 2 x 1/4 inch NPT Accessory Ports

Ford Stage 1 Power Package F-150 Ecoboost Raptor / Limited Accessport V3

covered status light and test button for enhanced splash resistance and mounting tabs

Bolts the Subaru case halves together

Skunk2 Pro Series Intake Manifold Black - 2006-2011 Honda Civic Si K20Z3 - 307-05-0325 1.5" to 1.75" 2 x 1/8 inch NPTSkunk2'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