Go Fast Bits Mach 2 TMS Recirculating Diverter Valve Subaru WRX 2015-2021 / Forester XT 2014-2017 Wheel Offset_10mm High outside lip helps contain

High outside lip helps contain spills

Track capable

To order these pistons simply select the appropriate mix of grade range pistons for the engine block's requirements

Pinpoint your boost setting using the adjustment scale running the length of the controller

Go Fast Bits Mach 2 TMS Recirculating Diverter Valve Subaru WRX 2015-2021 / Forester XT 2014-2017 Wheel Offset_10mm High outside lip helps containThe Mach 2 is configured as a 100% recirculating valve (i. e. bypass, plumb back) and add on kits are also available to convert to 100% atmosphere venting. Use the recirc model for direct factory replacement when you want the performance WITHOUT the noise! Add the conversion kit when you want some noise with your performance! Part #: T9107 Factory bypass valves have two main shortcomings one is that they are typically designed to start opening above a