Ultra Race Billet Intake Manifold – Honda K20C1/K20C4 Head Studs unlike the OEM flywheel bolts

unlike the OEM flywheel bolts

and all 7 second EVOs that have now reached that milestone using the 4P Outlaw EVO CNC Cylinder Head

We spent countless hours balancing airflow to make sure this port is the best on the market

The OEM Honda valvetrain can handle bursts to 7000 rpm

Power level is quoted based on our recommended power level with a turbocharger

Ultra Race Billet Intake Manifold – Honda K20C1/K20C4 Head Studs unlike the OEM flywheel boltsThe Skunk2 Billet Ultra Race Series Intake Manifold for Honda K20C1 K20C4 engines solves the problems you will encounter when trying to push high boost to make Big Power. All Ultra Manifolds feature tapered runners with trumpet profiled entries and plenums that have been designed and optimized using CFD. Compared to the OEM plastic manifold, the Skunk2 Ultra Manifold has a larger plenum and runners for higher horsepower engines and won't come apart