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GFB Mach 2 TMS Recirculating Diverter Valve - Subaru 2015+ WRX/Forester

Take your Subaru WRX or Forester to the next level with the GFB Mach 2 TMS Recirculating Diverter Valve. This high-performance valve is designed to provide rapid boost recovery on gearshift and optimum throttle response, while withstanding boost pressures of 100 psi plus.

With its single venting outlet, the Mach 2 is configured from the factory for full recirculation (i.e. plumb back, diverter, bypass) venting for the performance-minded who just want the benefits without the sound. Atmosphere venting kits are also available for those who want to take it to the next level.

  • Rapid boost recovery on gearshift
  • Optimum throttle response
  • Withstands boost pressures of 100 psi plus
  • Configured for full recirculation venting
  • Atmosphere venting kits available
Make Model Year Type
Subaru Forester 2014 2.0XT Premium
Subaru Forester 2014 2.0XT Touring
Subaru Forester 2015 2.0XT Premium
Subaru Forester 2015 2.0XT Touring
Subaru Forester 2016 2.0XT Premium
Subaru Forester 2016 2.0XT Touring
Subaru Forester 2017 2.0XT Premium
Subaru Forester 2017 2.0XT Touring
Subaru Forester 2018 2.0XT Premium
Subaru Forester 2018 2.0XT Touring
Subaru WRX 2015 Base
Subaru WRX 2015 Limited
Subaru WRX 2015 Premium
Subaru WRX 2016 Base
Subaru WRX 2016 Limited
Subaru WRX 2016 Premium
Subaru WRX 2017 Base
Subaru WRX 2017 Limited
Subaru WRX 2017 Premium
Subaru WRX 2018 Base
Subaru WRX 2018 Limited
Subaru WRX 2018 Premium
Subaru WRX 2019 Base
Subaru WRX 2019 Limited
Subaru WRX 2019 Premium
Subaru WRX 2020 Base
Subaru WRX 2020 Limited
Subaru WRX 2020 Premium
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