Go Fast Bits Mach 2 TMS Recirculating Diverter Valve Subaru WRX 2015-2021 / Forester XT 2014-2017 vendor_Red Line Oil This will allow you to

This will allow you to customize your cars front end down force by either installing two flaps or creating maximum down force with a full set of four canards

Part #: 334300

you need to upgrade any factory bushing you can

which gives them about 1000% (that is ten times) better fatigue strength than those studs that are threaded prior to heat-treatment

and is available for separate purchase for those of you with a worn out disc

Go Fast Bits Mach 2 TMS Recirculating Diverter Valve Subaru WRX 2015-2021 / Forester XT 2014-2017 vendor_Red Line Oil This will allow you toThe 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