K20 Ultra Street Cast Intake Manifold - K-series - Honda - Acura | K20A K20A2 K20A3
The Ultra Street Series Intake Manifold is a high-performance upgrade designed for K-Series engines. This intake manifold is the result of extensive research and development, offering a modular design that makes it easy to disassemble, customize, and adjust for different performance needs.
Inspired by the Pro Series Intake Manifold, this version uses advanced technology, including Computational Fluid Dynamics (CFD), to create a two-piece design. This allows for easy modifications, like changing the plenum volume using optional spacers. The manifold has been tested both on the dyno and in real-world driving to ensure it delivers more power and torque than many competitors.
Made from lightweight, high-strength aluminum alloy, this intake manifold is precision CNC-machined and thoroughly inspected for quality. It features a 71mm throttle body opening and thick walls to prevent issues during port matching. The 1.82L plenum is designed to distribute airflow evenly to all four cylinders, ensuring optimal performance. The long intake runners with smooth transitions enhance airflow, making this intake manifold a top choice for modified street and mild turbo applications.
Features include:
- High-grade mounting hardware
- 1.82L plenum volume
- 8.72" long runners with raised velocity stacks (portable)
- 71mm throttle body opening
- Thermal intake gasket included
- Port-ready cast runner walls
- Fits K-series PRB (RSX) style head
- Not compatible with K24Ax (RBB/RAA) or K20Z3 (RBC) style heads due to missing water port
- Fits without modification due to its compact size and design, offering better clearance than some other manifolds
This intake manifold has been test-fitted in a K-swapped EG Civic and offers a significant performance upgrade for those looking to enhance their vehicle's intake system.
Product Disclaimer:
Emissions Equipment Tampering Warning: In many states, tampering with your vehicle’s emissions equipment is unlawful. Our products are designed and sold for sanctioned off-road/competition non-emissions controlled vehicles only and may never be used on a public road or highway.
Using our products for street/road use on public roads or highways is prohibited by law unless a specific regulatory exemption exists (more information can be found on the SEMA Action Network website www.semasan.com/emissions for state-by-state details in the USA).
CARB-Restricted Areas: CARB-Restricted products, will not be shipped to state of California under any circumstatences.
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By proceeding with the purchase and use of our products, customers affirm their commitment to adhere to the terms outlined in this comprehensive product disclaimer. We reserve the right to update this disclaimer as necessary.
