This bracket features 1/8" NPT threads so that both barbed fittings or AN fittings can be used interchangeably, for use with the GrimmSpeed EBCS, Manual Boost Controller, or other boost control solutions.Ī small mounting bracket secures the solenoid to the machined adapter to create a compact system, while still allowing those interested in running other boost control solutions the flexibility to do so. From there, we designed a beautifully-fitting machined adapter that would recreate the o-ring sealing feature that the factory solenoid uses. We began by recreating the factory turbo inlet and solenoid in CAD to ensure a perfectly fitting system. This is safer for your car and easier for your tuner to work with. As you can see, the addition of the GrimmSpeed EBCS shows much tighter boost control and consistency. The 'after' is the exact same tune, but after the installation of the GrimmSpeed 3-Port EBCS. The 'before' is our 2015 WRX, dyno tuned by a third party protuner. The factory configuration simply 'bleeds' the signal from between the turbo and wastegate, which creates a system that is a bit less complex, but reacts more slowly and with less precision. This is important, as the factory Mass Airflow Sensor has already measured that air and is expecting that your motor will use it during combustion, rather than venting it to the atmosphere. That boost is redirected back into the turbo inlet and re-ingested by the turbo using our machined adapter. ![]() The 3-port systems work by interrupting the boost signal traveling from the turbo to the wastegate. the factory 2-port are readily apparent during the tuning process. The advantages of a 3-port boost control system vs. Compact Design – Mounts directly in factory location w/ included adapter and zinc-plated steel bracket.Custom Wiring Connector - Plugs directly into the OEM wiring harness with no modification or splicing required.3-Port Solenoid - Proprietary internal modifications prepare the solenoid for extreme automotive conditions.1/4in Barbed Fittings – Zinc plated, sizing matches the factory turbo and included hoses.Black Anodized Finish - Protects the assembly from corrosion in an extremely demanding environment.Custom Machined Adapter - Makes use of the factory inlet port, sealed w/ VITON O-Ring.With expertise in designing machined parts and a tried and true boost control solenoid, we were excited to dig in and create a solution with an already proven pedigree of high performance and quality. ![]() The 2015-21 WRX offers a unique change of pace, as the factory 2-port solenoid is mounted directly to the plastic turbo inlet and interfaces with an o-ringed feature, rather than a vacuum hose. ![]() GrimmSpeed has become the trusted brand in the EBCS market, with tens of thousands of solenoids in operation today across the globe. If you've been in the Subaru game for long, you're probably well aware that a 3-port Electronic Boost Control Solenoid (EBCS) is considered by most to be a 'must have' improvement before having your car tuned.
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