Go Fast Bits Blow Off Valve TMS Respons Hybrid Subaru 2015-2021 WRX

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SKU gfbT9007

The Go Fast Bits TMS Respons Hybrid Blow Off Valve makes for an excellent upgrade over the stock blow-off valve to hold more boost and to have a quicker response. 

  • Patented adjustable venting bias system found in the Stealth FX system
  • Allows you to control the amount of air that is vented to the atmosphere, or recirculated back into the intake to control the venting sound based on driver preference
  • You can achieve a vented blow-off valve sound without triggering a check engine light or other problems such as running rich or stalling
  • New hardware and tool will be provided to make this blow-off valve ready for the installation.
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