Cobb Tuning 3-Port Boost Control Solenoid | 2002-2007 Subaru WRX / 2004-2007 STI (712750)

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Cobb Tuning
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Subaru WRX / STI / FXT 3-Port Boost Control Solenoid (BCS) by Cobb Tuning

The COBB 3-Port Boost Solenoid (BCS) is an excellent upgrade for modern turbocharged vehicles, enabling precise boost control in a tidy package that is easy to install and tune. Our BCS will eliminate boost fluctuations inherent in the OEM boost control system, providing stable and repeatable boost control to base the vehicle's tune on. It is equally capable of providing this stable boost control at stock boost levels as well as extremely high boost levels associated with big-power builds.

The COBB Tuning 3-Port BCS features 1/8" low-profile barb fittings to keep the unit compact and are nickel coated for corrosion resistance. Optional 1/4" nickel plated fittings are also available separately. Viton spools and seals are used throughout for long life and lubricated with Dow Corning silicone grease. The manual override is sealed with an O-ring, the wiring harness is sealed to the casing using a waterproof grommet and the solenoid wires are ultrasonically welded to the coil, making the device waterproof and safe to wash. The BCS is rated to operate up to 120psi.

COBB Tuning has made the COBB 3-Port BCS installation as simple as possible. It mounts in the stock location and plugs directly into the stock wiring harness, making the physical install and electrical connection as simple as possible. The BCS comes with a custom aluminum mounting bracket, stainless steel hardware, boost-line to complete all connections and zip-ties to route the boost-line neatly through the engine bay. Installation Instructions are provided, are easy to understand, and provide routing instructions for both internal and external wastegate configurations.

The COBB Tuning 3-Port BCS is engineered to be the ultimate electronic boost control device for modern turbocharged applications, designed with outstanding boost control, engineered for consistent performance and extended service life and configured for easy installation. Get your boost under control and Access the Potential of your turbocharged Subaru today!

TUNING REQUIRED!! Please download the appropriate Off The Shelf Map for your vehicle or contact your Protuner in order to safely utilize this part!

Features

  • Accurate and Consistent Boost Control
  • Plug and Play 18-Gauge Wiring Harness
  • 1/8" Nickel Plated Barbed Fittings
  • Rated up to 120psi
  • Custom Aluminum BCS Mount

Applications

  • 2002-2007 Subaru WRX
  • 2004-2007 Subaru STI
  • 2004-2008 Subaru Forester XT

What's In The Box?

  • Boost Control Solenoid
  • Tubing
  • Installation Hardware

Warranty

  • Manufacturer Standard Warranty

Resources

Customer Reviews

Based on 13 reviews
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A
Anthony Davis
Cobb 3 port ebcs

Cobb build’s a lot of good parts and this is one more of them Great part would recommend to anybody that’s trying to control their boost electronically, and map performance can’t say enough about them order my parts get them here faster than what they say it’s even gonna come great shop and great prices

B
B.
Turbo upgrade

Quick, easy install. Just the thing we needed for our FP Blue

J
Jason Davis
Perfect!!!!

Very easy install!!! Had my sti tuned for more boost!!!!

W
W.
Pretty simple install! Easy as pie.

Very easy to install and gets the job done well! Thorough instructions as always with Cobb.

Even did a little review:

https://youtu.be/pjnT7SBjob8

B
Brandon Colgan
great product

great product, easy to install, and fixed my boost control issues.