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Details
Skunk2 Racing Ultra Series Intake Manifolds are the next generation of high performance intake manifolds. The much anticipated K-Series Street model is now available. Proudly presented by the Skunk2 Racing engineering team, the Ultra Series is years of research and development, culminated in a multi-piece cast aluminum intake manifold that offers advantages that only a modular design could allow.
Features & Benefits
-Hi-Grade Mounting Hardware
-1.82L Plenum Volume
-8.72” Long Runners with Raised Velocity Stacks
-71mm Throttle Body Opening
-Includes Thermal Manifold Flange Gasket
-Port ready Cast Runner Walls
Building upon the performance legacy of the Pro Series Intake Manifold, as well as using the latest in CFD (Computational Fluid Dynamics) software; Skunk2 Racing has created a two-piece modular design that allows for easy disassembly, porting, and plenum volume changes through the use of a removable plenum and optional plenum spacers. In addition to CFD testing, the Ultra Series Intake Manifold has undergone extensive in-house dyno and on-car testing which has led to a design that is less restrictive, yielding both torque and power gains well over many of the competitors.
Ultra Series Street Intake Manifolds are manufactured from high-grade 356 aluminum alloy for light weight and added strength over sheet metal manifolds. Each manifold is CNC-machined for a precise fit, and individually inspected for quality. The Ultra Series Street Intake Manifold features a 71mm throttle body opening and is constructed with thick walls and entry, minimizing concerns of breakthrough when port matching. The 1.82L plenum distributes even airflow to all four cylinders under dynamic load conditions. Placement and design of the, rigorously, flow tested velocity stacks ensure maximum delivery of air to the cylinder. The large velocity stack and raised bell mouth entries lead to long, 8.72”, intake runners with smooth transitions allowing the Ultra Series Street Intake Manifold to outperform the competition. Designed to be used with modified street applications and mild turbo setups, the Skunk2 Ultra Series Street Intake Manifold provides a new level of affordable high-end intake technology to the marketplace.
K20Z4 Applications
If you own an FN2, or run a top end from a Z4, and you're looking to change to an aftermarket inlet such as this you can get adapters like this to negate the recirc fitting. For the throttle body you'll then need to use this adapter plate to continue running the OE or other direct fit TB solutions.
Dyno Data
Over on the Tegiwa Blog we've tested these alongside other contenders to see which is the best manifold for the money! Big thanks to Luke Beard and Jesse from JCal ECU Calibration for the help!
More Info
| Manufacturer | Skunk2 |
|---|---|
| Fitment | K-SERIES K20A (PRB/PRC HEAD) |
| Colour | N/A |
| Note | No |
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