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Ideal for Subaru drivers wanting an OE-level upgrade without sacrificing comfort or reliability
This Perrin Performance throttle body coupler kit is engineered for Subaru WRX
Shop now at Subimods and experience the difference in your WRX or WRX STI’s performance
Crafted specifically for 2008-2014 WRX and STI models
Nameless Performance Bypass Valve 2011-2014 Legacy GT YMM_2017_BRZ Ideal for Subaru drivers wantingThe 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 corresponding turbine wheel. Ideally, the function of a bypass valve is to open this
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