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The Skunk2 Pro Series intake manifold for 2006–2011 Honda Civic Si (K20Z3) is a cast-aluminum, direct-fit replacement that balances mid-range drivability with top-end gains. Larger, tapered plenum and oversized runners improve airflow and venturi effect while thicker castings leave room for porting. It accepts OEM throttle bodies up to 76mm and includes a thermal-insulated gasket for bolt-on installation.
Skunk2 Pro Series 06-10 Honda Civic Si (K20Z3) Intake Manifold (Race Only) (Black Series)
