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Application: Subaru WRX (VA) / Forester XT (SJ) / Levorg (VM)
Part Type: Mach 2 Recirculating Plumb Back Blow Off Valve
GFB's Mach 2 uses proven TMS technology to bring your factory diverter valve up to speed, restoring boost up to 30% faster on gear shifts than the standard unit. Fitted to the Subaru WRX, Forester XT and Levorg, it's a genuine bolt-on replacement that improves throttle response and boost holding without any cutting, adaptors or tuning changes required.
This listing covers the Subaru WRX VA (2015-2021), Forester XT SJ (2013-2018) and Levorg VM (2014-2021). SKU T9107 is configured as a 100% recirculating (plumb back) valve, keeping factory quiet operation while improving performance. Atmosphere venting conversion kits are sold separately if you want an audible blow off sound.
Please confirm your vehicle's year and model before ordering.