Skunk2 Racing is proud to announce the next generation of high performance intake manifolds for the '02-'05 Civic Si and '02-'06 RSX/ RSX Type S, and/ or any swap using the K20A/ K20A2/ K20Z1/ K24A1 engines or cylinder heads has finally arrived! The much anticipated Ultra Race Centerfeed Intake Manifold is the result of years worth of R&D and building upon the performance legacy of our Pro Series Intake Manifold. Using the latest in CFD (Computational Fluid Dynamics) software; Skunk2 Racing has created a three-piece modular design that allows for easy disassembly, porting, and plenum volume changes through the use of a removable plenum and optional plenum spacers. The result is a design that is less restrictive, yielding both torque and power gains well over many of the competitors.. Ultra Series Race Centerfeed Intake Manifold; 5L Volume; 90mm Inlet w/Early 5.0 Ford TB Bolt Pattern; 4 Secondary Injector Passes; K20A2 Style; Silver Adapter;. Skunk2 Ultra Series K Series Race Centerfeed Complete Intake Manifold. 87mm Velocity Stacks w/Generous Cast Runner Walls For Porting. 3 in. x 1/8 in. NPT And 3 in. x 1/4 in. NPT Accessory Ports. 90mm Throttle Body Flange - Std. 5.0L Ford Pattern. Ultra Series Race Centerfeed Intake Manifold. Provisions Secondary Fuel Rail And Injectors. Fits Most Popular Chassis Configurations. Modular 3pc. Design w/Removable Plenum. 6.0 in. Tapered Hi-Velocity Runners. Hi-Grade Mounting Hardware. Thermal Gasket Included. US Patent No. D677700. 5.0L Plenum Volume. Intake Manifold

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