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Vendor:IAG PerformanceIAG Replacement Blow Off Valve Elbow for 2002-07 WRX, 2004-21 STI (Silver Finish)
Only 10 leftRegular price $64.99Sale price $64.99 Regular priceUnit price per -
Vendor:IAG PerformanceIAG Replacement Blow Off Valve Elbow for 2002-07 WRX, 2004-21 STI (Black Finish)
Regular price $59.99Sale price $59.99 Regular priceUnit price per -
Vendor:IAG PerformanceIAG Blow Off Valve Adapter For 2002-07 Subaru WRX & 2004-21 STI
Regular price From $49.99Sale price From $49.99 Regular priceUnit price per -
Vendor:SubaruSubaru Blow Off Valve to Intercooler Gasket
Regular price $8.00Sale price $8.00 Regular priceUnit price per -
Up to $0.90 OFFVendor:BLOX RacingBLOX Racing Intercooler Blow Off Valve Gasket for Subaru EJ20/EJ25 - BXFL-50016
Only 3 leftRegular price $8.10Sale price $8.10 Regular priceUnit price per$9.00 -
Vendor:IAG PerformanceIAG Blow Off Valve Recirculation Block Off Plug For 2015-21 Subaru WRX
Regular price $19.99Sale price $19.99 Regular priceUnit price per -
Vendor:Go Fast BitsGo Fast Bits 30mm Hose Adapter Base
Only 5 leftRegular price $27.41Sale price $27.41 Regular priceUnit price per -
Vendor:Turbo XSTurbo XS Type H BOV Adapter kit for 02-07 WRX/STi / 08 STi - H-WRXG4
Only 8 leftRegular price $63.95Sale price $63.95 Regular priceUnit price per -
Vendor:Turbo XSTurbo XS 2015 Subaru WRX Hybrid BOV Blow Off Valve Type XS - W15-XS-HYB
Only 19 leftRegular price $324.98Sale price $324.98 Regular priceUnit price per -
Vendor:Turbo XSTurbo XS 15-21 Subaru WRX Recirculating Bypass Valve Type XS - Black - W15-XS-RBV
Only 18 leftRegular price $324.98Sale price $324.98 Regular priceUnit price per -
Vendor:Turbo XSTurbo XS 08-12 WRX 50/50 Hybrid BOV - WRX08-HYB
Only 8 leftRegular price $324.98Sale price $324.98 Regular priceUnit price per -
Vendor:Turbo XSTurbo XS 08-14 WRX RFL Blow off Valve BOV - WRX08-RFL
Only 9 leftRegular price $324.98Sale price $324.98 Regular priceUnit price per -
Sold OutVendor:Turbo XSTurbo XS 50/50 Racing Bypass Valve For 02-07 WRX/ 04-09 STi - WS-HYB
Regular price $324.98Sale price $324.98 Regular priceUnit price per -
Vendor:Turbo XSTurbo XS 02-07 WRX RFL Blow off Valve BOV - WS02-XS-RFL
Regular price $324.98Sale price $324.98 Regular priceUnit price per -
Up to $22.90 OFFVendor:TurbosmartTurbosmart Kompact Plumb Back Valve (Diverter Valve) for 2008-14 Subaru WRX - TS-0203-1210
Only 11 leftRegular price $206.09Sale price $206.09 Regular priceUnit price per$228.99 -
Up to $22.90 OFFVendor:TurbosmartTurbosmart BOV Kompact Plumb Back - Subaru - TS-0203-1215
Only 12 leftRegular price $206.09Sale price $206.09 Regular priceUnit price per$228.99 -
Up to $45.50 OFFVendor:TurbosmartTurbosmart BOV Dual Port Maz/Sub-Blue - TS-0205-1009
Only 6 leftRegular price $409.49Sale price $409.49 Regular priceUnit price per$454.99 -
Up to $45.50 OFFVendor:TurbosmartTurbosmart BOV Dual Port Subaru-Blue - TS-0205-1015
Only 6 leftRegular price $409.49Sale price $409.49 Regular priceUnit price per$454.99 -
Up to $45.50 OFFVendor:TurbosmartTurbosmart BOV Dual Port Subaru-Black - TS-0205-1016
Only 7 leftRegular price $409.49Sale price $409.49 Regular priceUnit price per$454.99 -
Up to $28.10 OFFVendor:TurbosmartTurbosmart BOV Vee PRO Port Subaru-Black - TS-0205-1136
Only 4 leftRegular price $252.89Sale price $252.89 Regular priceUnit price per$280.99 -
Up to $43.10 OFFVendor:TurbosmartTurbosmart BOV Supersonic For 2008-14 Subaru WRX, 03-08 LGT, 08-12 FXT - Black - TS-0205-1310
Only 4 leftRegular price $387.89Sale price $387.89 Regular priceUnit price per$430.99 -
Up to $43.10 OFFVendor:TurbosmartTurbosmart BOV Supersonic Subaru -Black - TS-0205-1316
Only 2 leftRegular price $387.89Sale price $387.89 Regular priceUnit price per$430.99 -
Up to $45.50 OFFVendor:TurbosmartTurbosmart 15 Subaru WRX BOV Smart Port Black - TS-0215-1018
Only 5 leftRegular price $409.49Sale price $409.49 Regular priceUnit price per$454.99 -
Up to $41.70 OFFVendor:Perrin PerformancePERRIN Blow Off Valve Kit Recirculation Only For 2002-07 Subaru WRX, 04-21 STI - Black - PSP-TAC-600BK
Only 8 leftRegular price $236.30Sale price $236.30 Regular priceUnit price per$278.00 -
Up to $41.70 OFFSold OutVendor:Perrin PerformancePERRIN Blow Off Valve Kit Recirculation Only For 2002-07 Subaru WRX, 04-21 STI - Red - PSP-TAC-600RD
Regular price $236.30Sale price $236.30 Regular priceUnit price per$278.00 -
Up to $41.70 OFFVendor:Perrin PerformancePERRIN Blow Off Valve Kit Recirculation Only For 2008-14 Subaru WRX - Black - PSP-TAC-610BK
Only 4 leftRegular price $236.30Sale price $236.30 Regular priceUnit price per$278.00 -
Up to $41.70 OFFVendor:Perrin PerformancePERRIN Blow Off Valve Kit Recirculation Only For 2008-14 Subaru WRX - Red - PSP-TAC-610RD
Only 6 leftRegular price $236.30Sale price $236.30 Regular priceUnit price per$278.00 -
Up to $41.70 OFFVendor:Perrin PerformancePERRIN Blow Off Valve Kit Recirculation Only For 2015-21 Subaru WRX - Red - PSP-TAC-615RD
Regular price $236.30Sale price $236.30 Regular priceUnit price per$278.00 -
Up to $28.50 OFFVendor:TurbosmartTurbosmart Kompact Dual Port BOV For 2004-21 Subaru WRX STI - TS-0203-1015
Only 7 leftRegular price $256.49Sale price $256.49 Regular priceUnit price per$284.99 -
Vendor:COBBCOBB LF BPV For 2002-07 Subaru WRX, 04-21 STI, 06-08 FXT - 712665
Regular price $375.00Sale price $375.00 Regular priceUnit price per -
Vendor:COBBCOBB LF BPV For 2008-14 Subaru WRX, 05-09 LGT, 09-13 FXT - 724665
Only 6 leftRegular price $405.00Sale price $405.00 Regular priceUnit price per -
Up to $8.37 OFFSold OutVendor:TiALSportTiALSport Q BOV 10 PSI Spring - Silver - 002115
Regular price $278.95Sale price $278.95 Regular priceUnit price per$287.32 -
Up to $8.37 OFFVendor:TiALSportTiAL Sport Q BOV 10 PSI Spring - Blue - 002567
Only 1 leftRegular price $278.95Sale price $278.95 Regular priceUnit price per$287.32 -
Up to $8.37 OFFVendor:TiALSportTiAL Sport Q BOV 10 PSI Spring - Purple - 002569
Only 6 leftRegular price $278.95Sale price $278.95 Regular priceUnit price per$287.32 -
Up to $8.37 OFFVendor:TiALSportTiAL Sport Q BOV 10 PSI Spring - Red - 002570
Only 3 leftRegular price $278.95Sale price $278.95 Regular priceUnit price per$287.32 -
Up to $8.37 OFFVendor:TiALSportTiALSport Q BOV 11 PSI Spring - Silver - 002571
Only 4 leftRegular price $278.95Sale price $278.95 Regular priceUnit price per$287.32
Blow Off Valves
Managing boost pressure is key to turbo reliability and consistent performance. IAG Performance offers blow off valves and supporting components for Subaru WRX, STI, Forester XT, and Legacy GT applications. Our selection includes blow off valves, adapters, flanges, gaskets, clamps, and other components designed for EJ25, FA20, and FA24 engines. Help prevent compressor surge and maintain smooth boost operation with quality parts from COBB, Go Fast Bits, HKS, TiAL, TurboXS, Turbosmart, Perrin, Subaru, and more.