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Tomioka Racing (TR)

TR 3-Port Electronic Boost Solenoid for Subaru STi 2008+

TR 3-Port Electronic Boost Solenoid for Subaru STi 2008+

$259.00 CAD
$209.00 CAD $259.00 CAD
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(2008-2014) Electronic Boost Solenoid for Subaru Turbo Engines

Our EBCS is a precision-engineered aftermarket replacement specifically designed for 2008-2014 Subaru turbo models. This solenoid delivers faster boost response, enhanced turbo performance, and superior durability compared to OEM solenoids.

Technical Specifications
Operating Voltage: 12V DC
Current Draw: 400-450mA
Duty Cycle: 0-100% PWM
Response Time: <8ms
Connection Type: 3-Pin Weatherproof Connector
Thread Size: M12x1.0
Pressure Range: 0-35 PSI
Temperature Range: -40°C to 135°C
Body Material: Anodized Aluminum
Seal Material: Fluorosilicone

Enhanced Design: Our Gen 2 solenoids feature improved internal flow paths and superior sealing technology for consistent performance and compatibility with a wider range of fuels including E85.

Vehicle Compatibility
  • 2008-2014 Subaru Impreza WRX
  • 2008-2014 Subaru Impreza WRX STI
  • 2008-2012 Subaru Legacy GT
  • 2009-2013 Subaru Forester XT
  • Compatible with stock and aftermarket turbo systems
  • Works with factory and aftermarket ECU tunes
  • Compatible with E85 fuel systems
Performance Features
  • Direct OEM replacement with significant performance improvements
  • 20% higher flow rate compared to stock solenoids
  • Faster boost response and reduced turbo lag
  • Improved high-temperature stability for consistent performance
  • Reduced pressure drop at high boost levels
  • Compatible with E85 and other alternative fuels
  • Optimized internal port design for smoother airflow
  • Tested to over 1.5 million cycles for maximum reliability
Gen 2 Boost Response Comparison Chart
Installation Guide

Installation is straightforward and can be completed in under 30 minutes with basic hand tools:

  1. Locate the factory boost solenoid on the passenger side of the engine bay
  2. It's accessible from underneath the intake manifold
  3. Disconnect the electrical connector by pressing the tab and pulling gently
  4. Disconnect the vacuum lines, taking note of their orientation
  5. Remove the mounting bolt(s) securing the solenoid
  6. Install the new solenoid in the reverse order
  7. Ensure vacuum lines are reconnected in the correct orientation
  8. Secure the mounting bolt(s) to factory torque specifications
  9. Reconnect the electrical connector until it clicks

Pro Tip: No ECU reflash is required for stock applications, but we recommend checking your wastegate actuator function after installation for optimal performance.

OEM vs Aftermarket Comparison
Feature OEM Solenoid Our Premium Solenoid Improvement
Flow Rate Base Reference +20% Increased Flow 20% Higher Flow
Response Time 10-12ms <8ms 25-35% Faster
Heat Resistance Up to 120°C Up to 135°C 12.5% Higher
Durability ~500,000 cycles >1,500,000 cycles 3x Longer Life
Seal Material Standard Rubber Fluorosilicone Superior Fuel Compatibility
Body Construction Cast Aluminum Precision Anodized Aluminum Higher Precision
Pressure Drop at 30PSI 15% Drop 5% Drop 66% Improvement
E85 Compatibility Not Rated Fully Compatible Enhanced Versatility
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