Go Fast Bits Mach 2 TMS Recirculating Diverter Valve 2015-2021 WRX YMM_2016_Crosstrek ACT Difference: Every unit is

ACT Difference: Every unit is 100% clamp-load tested and dynamically computer balanced for smooth

These premium extensions perfectly complement your side skirts

and 2007-2009 Outback XT

The embedded stainless steel wire reinforcement prevents hose collapse under high boost conditions

while the 124-tooth ring gear and SFI 1

Go Fast Bits Mach 2 TMS Recirculating Diverter Valve 2015-2021 WRX YMM_2016_Crosstrek ACT Difference: Every unit isThe 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! Factory bypass valves have two main shortcomings one is that they are typically designed to start opening above a certain