Go Fast Bits TMS Respons Hybrid Blow Off Valve - WRX 2008-2014, Legacy GT 2005-2009


$397.99 CAD $440.15 CAD

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2 pieces in stock


GFB Respons TMS valve (part number T9001) features both the GFB patented adjustable bias venting system, and the GFB TMS advantage. The TMS range from GFB is designed specifically for the purpose of turbo lag reduction and improving throttle response. Tests show TMS features can help return the engine to peak boost up to 30% faster than a factory diverter valve when shifting gears.

- 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 installation.

2008-2014 WRX
2005-2009 Legacy GT

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