Perrin - Subaru 02-07 WRX / 04-21 STI - Recirculating Blow Off Valve kit (Black) subaru-wrx-2023 allow for quicker shifting

allow for quicker shifting

The factory inlet directs cold air from the front grill to the SF Air

AC condenser

Remove the overworked factory intercooler from your 2011-2014 WRX in favor of the Black COBB Front Mount Intercooler Kit

5" SS Hex Bolt

Perrin - Subaru 02-07 WRX / 04-21 STI - Recirculating Blow Off Valve kit (Black) subaru-wrx-2023 allow for quicker shiftingOVERVIEW Adjustable relief pressure and flow control make fine tuning on the fly simple and quick with the PERRIN BOV BPV. HIGH FLOW With 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. Dont be fooled by giant oversized blow off valves, these inlet and outlet sizes were chosen to ensure the perfect balance of flow and to maintain the boost in your