Description
The Skunk2 Racing Pro Series Intake Manifold for Honda’s K20Z3 engine in the 2006-2011 Civic Si offers a significant upgrade over the stock RBC manifold. Crafted from cast aluminum with thicker walls, this manifold is designed for high-performance applications, providing room for porting to maximize horsepower and torque. Its larger plenum and oversized runners enhance airflow, resulting in improved venturi effect and balanced mid-range and top-end power gains. The unique angled-runner design offers ample hood clearance, making it suitable for various engine setups without extensive modifications. This direct-fit replacement maintains compatibility with OEM throttle bodies and supports larger sizes up to 76mm, thanks to a 72mm throttle body opening that can be port-matched for increased airflow. The included thermal-insulated gasket ensures a straightforward, bolt-on installation, eliminating the need for drilling or modifications. Engineered for both naturally aspirated and turbocharged setups, this manifold boosts engine efficiency and power output across the RPM range, making it ideal for street enthusiasts seeking reliable performance enhancements. The runner exits are machined and hand-finished to match the cylinder head ports precisely, ensuring optimal airflow and performance. Whether for daily driving or track use, the Skunk2 Pro Series intake manifold delivers measurable gains while preserving mid-range response, providing a balanced upgrade for Honda K-series engines.
Features:
- Designed for 2006-2011 Honda Civic Si with K20Z3 engine
- Cast aluminum construction with thicker walls for durability and porting
- Larger plenum and oversized runners for increased airflow
- Angled-runner design for maximum hood clearance
- Supports OEM and up to 76mm throttle bodies with port-matching
- Includes thermal-insulated intake gasket for easy bolt-on installation
- Balanced mid-range and top-end power gains
- Ideal for naturally aspirated and turbocharged applications
Fitment:
Acura TSX Base 2004
Acura TSX Base 2005
Acura TSX Base 2006
Acura TSX Base 2007
Acura TSX Base 2008
Honda Civic MUGEN Si 2008
Honda Civic Si 2006
Honda Civic Si 2007
Honda Civic Si 2008
Honda Civic Si 2009
Honda Civic Si 2010
Honda Civic Si 2011



















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