![]() Instead of producing a manifold with a significantly oversized plenum and excessively short runners that would sacrifice mid-range power, the Pro Series manifold was designed for the “street enthusiast” who wants more power but doesn’t want to sacrifice mid-range performance to get it. Skunk2’s Pro Series Intake Manifold for Honda's B-series non-VTEC engines features a larger plenum and oversized runners when compared to the ITR manifold for maximum horsepower and torque gains. More than a decade ago, Skunk2’s engineers looked to the popular Integra Type R intake manifold for inspiration and went back to the drawing board. Not compatible with ’90-’95 throttle bodies featuring fast idle valve must use Skunk2 throttle body or similar.ħ0mm throttle body opening can be port-matched up to 75mm. Not compatible with ’90-’93 engines featuring EGR valve must use reprogrammed or later model ECU. It is the perfect bolt-on mod for someone who has already opened up the other restrictions in the intake and exhaust tract. ![]() Each manifold is molded with smooth transitions from the throttle body opening to the plenum to the runners with clean parting lines for an optimal finish, both inside and out and features a genuine Skunk2 nameplate.This intake manifold replaces the factory unit with a higher flowing, more efficient design, to reduce air flow restrictions leading into the engine, and make more power. Similar to OEM manifolds, Skunk2’s Pro Series Intake Manifolds are shell-molded from 356-aluminum, CNC-machined for superior strength, a precise fit, and a high-quality finish, and vacuum-tested for quality. Skunk2 is a familiar name in the intake manifold business, with more than 10 years of experience designing, testing, and building them. Skunk2’s Pro Series Intake Manifold’s shape and design also increases wave scavenging effects at the engine’s ideal operating range, which allow for a broad increase in usable power. ![]() Pro Series Intake Manifold runner exits are also machined and hand-finished to best match the cylinder head’s ports. The design incorporates runners that are similar in length to the RBC’s but with larger bores, a special tapered design, as well as a larger, tapered plenum that together preserve mid-range power but increase and accelerate airflow to allow for significant top-end power gains. Pro Series Intake Manifolds offer horsepower and torque gains greater than the popular RBC manifold but without compromising mid-range power output. Pro Series manifolds also incorporate an angled-runner design, which allows for ample hood clearance on ’88-’00 Civics and ’90-’01 Integras with K-series engine swaps, as well as additional core support clearance on ’02-’05 Civic Sis. ![]() The special water neck designs eliminate the cutting that would otherwise be involved with some RBC applications and the supplied thermal-insulated intake manifold gasket makes for a truly bolt-on installation (no drilling or modifying required). Skunk2’s all-new, cast-aluminum Pro Series Intake Manifolds for Honda’s K-series engines are a direct-fit replacement for all K20/K24 engines thanks to their unique, patent-pending water neck designs and throttle body flanges, which are compatible with OEM throttle bodies as well as those as large as 76mm. The results are improved airflow, an enhanced venturi effect, and both mid-range and top-end power gains. Instead of producing a manifold with a significantly oversized plenum and excessively short runners that would sacrifice mid-range power, Pro Series manifolds were designed for the “street enthusiast” who wants more power but doesn’t want to sacrifice mid-range performance to get it. Similar to Skunk2's already popular K-series Intake Manifolds, Skunk2's engineers looked to the popular '06-'11 Civic Si’s RBC intake manifold for inspiration and went back to the drawing board.Įach of Skunk2’s Pro Series Intake Manifolds for Honda’s K-series engines feature larger plenums and shorter, oversized runners when compared to the RBC, and are cast with thicker wall material, leaving room for further porting for high-horsepower applications. Skunk2’s Pro Series Intake Manifold for Honda’s K-series engines has arrived.
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