Upgrade your Acura RSX or Honda Civic Si EP3 with the high-performance Skunk2 Pro Series K20A2/A3 Intake Manifold. Crafted after the efficiency of the renowned K20Z3 intake manifold, this upgrade is engineered to amplify your engine's power. Whether you're fine-tuning your Civic Si or gearing up for a K Swap adventure, this manifold's angled-runner design ensures optimal performance.

Skunk2's dedication to innovation shines through in each Pro Series Intake Manifold. Drawing inspiration from the '06-'10 Civic Si’s RBC intake manifold, Skunk2 engineers optimized this design for '02-'05 Civic Si and '02-'06 RSX/RSX Type S models, as well as any K20A/K20A2/K20Z1/K24A1 engine swaps. The result? Larger plenums and shorter, oversized runners that enhance airflow and power without sacrificing mid-range performance. The Pro Series K20A2 Intake Manifold is available in two colors, silver or black, to not only add performance, but aesthetics too. 

This direct-fit replacement boasts a patent-pending throttle body flange, accommodating OEM throttle bodies and sizes up to 76mm. The angled-runner configuration ensures clearance for various vehicle models, making it a versatile choice for enthusiasts. Unlike other manifolds, Skunk2's design balances mid-range power and top-end gains, delivering a noticeable boost in horsepower and torque without compromising performance.

Skunk2's expertise in intake manifold engineering spans over a decade, guaranteeing a quality product built to last. Constructed from 356 aluminum, each manifold undergoes CNC machining and vacuum testing for superior strength and precision. Smooth transitions from throttle body to plenum to runners optimize airflow, while the genuine Skunk2 nameplate signifies a mark of excellence. Elevate your driving experience with the Skunk2 Pro Series Intake Manifold and unlock the true potential of your engine.  


Ideal for turbocharged and naturally aspirated applications
70mm throttle body opening can be port-matched up to 76mm
Not compatible with '06-'10 Civic Si K-series engine
Re-uses OEM Coolant Neck

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