Nameless Performance Bypass Valve 2008-2014 WRX / 2005-2009 Legacy GT / 2005-2009 Outback XT YMM_2018_Legacy improved performance under heavy braking

improved performance under heavy braking conditions and street car friendly characteristics

whether you want a more responsive feel or a balanced

They’re resistant to setting or sagging and are 100% tested at H&R’s ISO9001-certified facility in Germany to ensure top-tier quality and durability

it will display some of the best eye candy fabrication available

Nameless Performance Bypass Valve 2008-2014 WRX / 2005-2009 Legacy GT / 2005-2009 Outback XT YMM_2018_Legacy improved performance under heavy braking**New for the 2008 2014 Subaru WRX, 2005 2009 Legacy GT and 2005 2009 Outback XT.** The most important feature of a recirculating bypass valve (Recirc Valve, BPV, BOV) on your Subaru is to evacuate the pressure out of the charge circuit when the throttle is closed. This prevents a surge of boost from hitting the throttle and then reflecting back toward the compressor wheel where it can slow or even stop the movement of the compressor wheel and