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Subaru EJ20/EJ25 Billet Intake Manifold
MADE TO ORDER
The ultimate Kakarakis Performance 3-Piece Billet Intake Manifold for Subaru EJ20 and EJ25 Boxer engines. Featuring an advanced dual-plenum design with a central merge collector, this premium CNC-machined aluminum manifold is engineered exclusively for extreme high-boost Turbo applications, guaranteeing 100% equal airflow across both cylinder banks. Includes two high-flow billet fuel rails and is available with 70mm or 75mm throttle body flange options.
€2.080,00 ex VAT -
Description
Take your turbocharged EJ Boxer powerplant to the absolute limit with the Kakarakis Performance 3-Piece Billet Intake Manifold for the legendary Subaru EJ20 and EJ25 engines. Precision-manufactured from top-tier materials using state-of-the-art CNC machinery and advanced airflow software, this specialized 3-piece intake system completely replaces the restrictive factory long-runner layout to maximize volumetric efficiency and handle massive boost pressures safely.
Aggressive Center-Feed Plenum & Perfect Balance
The unique horizontal architecture of the Boxer engine demands highly specialized engineering to eliminate airflow imbalances between the cylinders. Our innovative dual-plenum design utilizes a highly efficient central merge collector where the throttle body sits, perfectly splitting the air charge into two symmetrical side plenums. This flawless flow dynamics guarantee a 100% equal airflow distribution and identical pressure to every single intake port, optimizing combustion across both cylinder banks and safeguarding your engine under intense racing loads.
The unique horizontal architecture of the Boxer engine demands highly specialized engineering to eliminate airflow imbalances between the cylinders. Our innovative dual-plenum design utilizes a highly efficient central merge collector where the throttle body sits, perfectly splitting the air charge into two symmetrical side plenums. This flawless flow dynamics guarantee a 100% equal airflow distribution and identical pressure to every single intake port, optimizing combustion across both cylinder banks and safeguarding your engine under intense racing loads.
Integrated Billet Fuel Rail & Versatile Throttle Options
To support your upgraded high-horsepower fueling demands, this manifold comes complete with two custom-matched billet fuel rails designed for your primary injectors (one rail per engine bank). To completely remove intake restrictions and ingest massive air volume, the central merge collector accommodates high-flow aftermarket throttle bodies, offering dedicated flange choices that support an upgraded 70mm or massive 75mm throttle body setup.
To support your upgraded high-horsepower fueling demands, this manifold comes complete with two custom-matched billet fuel rails designed for your primary injectors (one rail per engine bank). To completely remove intake restrictions and ingest massive air volume, the central merge collector accommodates high-flow aftermarket throttle bodies, offering dedicated flange choices that support an upgraded 70mm or massive 75mm throttle body setup.
Advanced Feature Set
- 3-Piece Modular Architecture: Engineered with a modular central merge and dual-bank plenum system for perfect sealing, maximum uniform air distribution, and absolute structural strength under immense boost.
- Velocity Stack Design: Individual runners featuring high-flow venturi effect velocity stacks for superior cylinder filling and maximized airflow velocity.
- Auxiliary Injection Ready: Built-in provisioning with dedicated water-methanol or nitrous injection ports (1 dedicated port per cylinder) to safely support your cooling and octane requirements under extreme load.
Production time for this intake is 2 weeks since the order is confirmed!
For any additional information contact us.
Additional information
| Weight | 6 kg |
|---|---|
| Dimensions | 40 × 40 × 30 cm |
| Brand | Subaru |
| Engine | EJ20, EJ25 |
| Model | Forester 04-13, Forester 97-07, Impreza 04-21, Impreza 92–14, Legacy 05-12, Legacy 89-09, Outback 05-09 |
| Throttle body size | 70mm *NO BOLT DRILLS, 74/75mm *NO BOLT DRILLS |
| Fuel rail threads | AN6, AN8 |
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