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

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. 

DETAILS:

• 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