Tomioka Racing TR 3-Port Electronic Boost Solenoid for Subaru WRX 2015+
Tomioka Racing TR 3-Port Electronic Boost Solenoid for Subaru WRX 2015+
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(2015-Present) Electronic Boost Solenoid for Subaru Turbo Engines
Our Electronic Boost Solenoid represents the pinnacle of aftermarket boost control technology, specifically engineered for 2015-Present Subaru direct-injection turbo models. This premium solenoid delivers ultra-fast boost response, enhanced turbo performance, and exceptional durability for both stock and high-performance applications.
Technical Specifications
Advanced Technology: Our EBCS feature integrated thermal protection technology to maintain consistent performance even under extreme operating conditions. The redesigned valve geometry improves flow characteristics by 25% over OEM parts.
Vehicle Compatibility
- 2015-Present Subaru WRX (FA20 Engine)
- 2015-Present Subaru WRX STI
- 2015-Present Subaru Forester XT
- 2018-Present Subaru Ascent
- Compatible with both stock and high-performance turbo systems
- Works with factory and aftermarket ECU tunes
- Full compatibility with all fuel types including E85
- Optimized for direct-injection engines
Perfect for FA Engines: Specifically engineered for the latest generation of Subaru direct-injection turbo engines, addressing the unique boost control requirements of these modern powerplants.
Performance Features
- Direct OEM replacement with substantial performance improvements
- 25% higher flow rate compared to stock solenoids
- Ultra-fast boost response and virtually eliminated turbo lag
- Superior high-temperature stability with integrated thermal protection
- Minimized pressure drop even at high boost levels
- Compatible with all fuel types including E85
- CNC-machined from billet aluminum for superior precision
- Advanced HNBR seals for maximum durability
- Optimized for direct-injection turbocharged engines
- Tested to over 2 million cycles for ultimate reliability
Installation Guide
Installation is straightforward and can be completed in under 30 minutes with basic hand tools:
- Locate the factory boost solenoid near the turbocharger on FA engines
- It's accessible from the top of the engine bay
- May require removal of intake for easier access
- Disconnect the electrical connector by pressing the tab and pulling gently
- Disconnect the vacuum lines, taking note of their orientation
- Remove the mounting bolt(s) securing the solenoid
- Install the new solenoid in the reverse order
- Ensure vacuum lines are reconnected in the correct orientation
- Secure the mounting bolt(s) to factory torque specifications
- Reconnect the electrical connector until it clicks
Pro Tip: While no ECU reflash is required for stock applications, we recommend pairing with an aftermarket boost controller for modified setups to take full advantage of the enhanced performance capabilities.
OEM vs Aftermarket Comparison
| Feature | OEM Solenoid | Our Premium Solenoid | Improvement |
|---|---|---|---|
| Flow Rate | Base Reference | +25% Increased Flow | 25% Higher Flow |
| Response Time | 8-10ms | <5ms | 40-50% Faster |
| Heat Resistance | Up to 130°C | Up to 150°C | 15.4% Higher |
| Durability | ~750,000 cycles | >2,000,000 cycles | 2.7x Longer Life |
| Seal Material | Standard EPDM | Premium HNBR | Superior Chemical Resistance |
| Body Construction | Cast Aluminum | CNC Billet Aluminum | Higher Precision |
| Pressure Drop at 35PSI | 18% Drop | 3% Drop | 83% Improvement |
| Thermal Protection | None | Integrated System | Enhanced Reliability |
| Max Boost Capability | 25-28 PSI | 35+ PSI | 25% Higher Capacity |
