Perrin - Subaru 02-07 WRX / 04-21 STI - Recirculating Blow Off Valve kit (Black) subaru-wrx-2023 Front Shock Absorber Damping Force

Front Shock Absorber Damping Force Adjustment: Yes

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

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The Eibach Pro-Kit is the perfect answer for the most frequently-driven streetcars

Perrin - Subaru 02-07 WRX / 04-21 STI - Recirculating Blow Off Valve kit (Black) subaru-wrx-2023 Front Shock Absorber Damping ForceOVERVIEW 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