Seller notes

Perrin Performance Recirculating Blow Off Valve for 2002-2007 WRX / 2004-2020 STI***This is Recirculating Style BOV, so it doesn't provide vent to atmosphere sound*****Not For Sale in California**Adjustable relief pressure and flow control makes fine-tuning on the fly simple and quick. High FlowWith large 1.225" inlets and outlets, the PERRIN Blow Off Valve is sized perfectly to relieve any amount of boost pressure without fear of compressor surge. Don’t be fooled by giant oversized blow off v...

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