Discontinued item - stock no longer available. To suit: Subaru Impreza WRX STi (4 Door) GVB C/D/E (EJ207) Universal. Blow off valve unit only. The new generation TRUST GReddy BLOW OFF VALVE FV has adapted floating valve structure which does not open up when the surge tank (intake manifold) has negative pressure. Without strong initial load, both quick response under low boost and prevention of the relief under high pressure are achieved. Adjustable floating valve, revised funnel outlet (Blue). Floating valve design with opposing springs, alows for improved control, response and idle. New top hat design allows for rotating of the vacuum nipple without disassmebling of the unit. Suitable for 100~420HP. Compatiable with standard 2-bolt GReddy BOV flanges and Type-RZ outlet adapters. Further Information SKU / Manufacturer Part Number: 11501665 |