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  1. Synapse Diverter Valve

    Subaru WRX General Aftermarket Talk
    I am putting on a Synapse Diverter Valve this afternoon and was trying to get some opinions on how to install it. When I searched, I found threads on the Synapse BOV, but this is different. Is anyone else running this on their 2008+ WRX? Diverter Valve | Bov | smallest, lightest, fastest blow...
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