Skunk2 Racing Pro Series Intake Manifold (307-05-0295) _Carbon_Fiber The factory frontal airbox only

The factory frontal airbox only flows 470 CFM at 28" of H2O

Dyno Proven 3HP Gain

It's single exit

They provide your engine with the largest amount of high-flowing air and delivers the highest power gains in most cases

Skunk2 Racing Pro Series Intake Manifold (307-05-0295) _Carbon_Fiber The factory frontal airbox onlyBlack Manifold 70mm T Body Opening 74mm MAX Ported. More than a decade ago, Skunk2s engineers revolutionized Honda performance by creating the first ever, high flow, cast aluminum intake manifold. Skunk2's Pro Series Intake Manifold for Honda's H series features a larger plenum and oversized runners when compared to the OEM version for maximum horsepower and torque gains. Instead of producing a manifold with a significantly oversized plenum and