GrimmSpeed Boost Control Solenoid FA20 (15-21 WRX)

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  • Regular price $169.00
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  • Decrease Spool Time 
  • Provides a quicker, and more precise boost control response
  • Plug and Play into OEM Harness
  • Works Safely with Factory Subaru ECU 
  • Prevents Over Boosting
  • REQUIRES CUSTOM TUNING

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