Turbosmart
TurboSmart | Multi Spray BOV Lubricant 50ml
CAD $39.96
CAD $49.95
-20%
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Blow-Off & Diverter Valves
There are 322 products.
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GFB
GFB | Mach II kit
CAD $55.96
CAD $69.95
-20%
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GFB
GFB | Mach II kit
CAD $55.96
CAD $69.95
-20%
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GrimmSpeed
GrimmSpeed | Intercooler BPV/BOV Gasket - Subaru
CAD $59.99
CAD $70.58
-15%
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GrimmSpeed
GrimmSpeed | Intercooler Inlet Gaskets - Subaru
CAD $63.13
CAD $74.27
-15%
- FLASH SALE
GFB
GFB | Gauge Port/Boost Tap - Audi / Volkswagen 1.4L / 1.2L 2013-2020
CAD $63.96
CAD $79.95
-20%
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Turbosmart
TURBOSMART | BOV Flange Gasket - Skyline R32 / R33 / R34
CAD $66.02
CAD $77.67
-15%
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Torque Solution
Torque Solution | HKS BOV Adapter Flange - WRX / STi 2002-2021
CAD $67.34
CAD $84.18
-20%
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Torque Solution
Torque Solution | Bypass Valve Hose Black - Mazdaspeed 3 2007-2013
CAD $89.78
CAD $112.23
-20%
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Torque Solution
Torque Solution | Bypass Valve Hose Red - Mazdaspeed 3 2007-2013
CAD $89.78
CAD $112.23
-20%
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Torque Solution
Torque Solution | HKS Blow Off Valve Adapter - WRX / Legacy GT 2005-2014
CAD $89.84
CAD $112.30
-20%
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Torque Solution
Torque Solution | HKS Blow Off Valve Adapter - Mazdaspeed 3/6 / CX7
CAD $89.84
CAD $112.30
-20%
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Torque Solution
Torque Solution | HKS BOV Adapter Flange (Black) - WRX / STi 2002-2021
CAD $92.95
CAD $116.19
-20%
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Torque Solution
Torque Solution | Greddy Blow Off Valve Adapter - WRX / STI 2002-2019
CAD $92.95
CAD $116.19
-20%
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Torque Solution
Torque Solution | Tial Blow Off Valve Adapter - WRX / STI 2002-2018
CAD $92.95
CAD $116.19
-20%
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Torque Solution
Torque Solution | Stock Location Tial Blow off Valve Adapter - Evolution X 2008-2015
CAD $95.02
CAD $118.78
-20%
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Torque Solution
Torque Solution | HKS Blow Off Valve Adapter w/ Plug - WRX / Legacy GT 2005-2014
CAD $97.10
CAD $121.38
-20%
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Torque Solution
Torque Solution | Greddy Blow Off Valve Adapter w/ Plug - WRX / STI 2002-2019
CAD $97.88
CAD $122.35
-20%
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Torque Solution
Torque Solution | HKS Blow Off Valve Adapter - Veloster 1.6T 2013-2017
CAD $100.22
CAD $125.28
-20%
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Torque Solution
Torque Solution | HKS Blow Off Valve Adapter - Genesis Coupe 2.0T 2010-2014
CAD $100.22
CAD $125.28
-20%
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Torque Solution
Torque Solution | Tial Blow Off Valve Adapter w/ Plug - WRX / STI 2002-2019
CAD $100.22
CAD $125.28
-20%
- FLASH SALE
Torque Solution
Torque Solution | HKS BOV Adapter Flange w/ Plug - WRX / STi 2002-2021
CAD $100.22
CAD $125.28
-20%
- FLASH SALE
Torque Solution
Torque Solution | Tial Blow Off Valve Adapter w/ Plug - WRX 2008-2014
CAD $100.22
CAD $125.28
-20%
- FLASH SALE
Turbosmart
TURBOSMART | BOV TS
CAD $102.94
CAD $121.10
-15%
- FLASH SALE
Torque Solution
Torque Solution | HKS Blow Off Valve and Recirc Adapter - WRX / Legacy GT 2005-2014
CAD $103.34
CAD $129.17
-20%
- FLASH SALE
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Blow-Off & Diverter Valves
Blow-off valves (BOV) vent excess boost pressure to atmosphere on throttle closure; diverter valves (DV) recirculate it back before the turbo inlet for quieter operation. Both prevent compressor surge and protect the turbocharger. Upgrade factory plastic DVs when running more boost than stock. Note: vented BOVs on MAF-equipped vehicles can cause rich running. Shop at GBP Performance — free shipping across Canada.